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Lemon Bars

by Michael Chu
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For the last couple days, I had a craving for lemon bars. Lemon bars are sweet lemony cookies that have a gooey top and a shortbread base. Throughout high school I ate a lot of Lemonheads which are sour lemon hard candies. Perhaps because of this, I like to have my lemon cookies to have a nice and strong lemon flavor. The best recipe for lemon bars I've found is from Baking Illustrated. It is also a simple recipe to execute.

Line a 9x13 in. baking pan with parchment paper. The easiest way to do this is to rub some butter on the pan and place a sheet of parchment paper down. Then put some more butter on the parchment paper and place another sheet of parchment paper down perpendicular to the first sheet. This will line all the sides of the pan and not have lemon bars stuck to the side.

In a food processor with steel blade, combine 1-3/4 cups all purpose flour, 2/3 confectioner's sugar, 1/4 cup cornstarch, and 3/4 tsp. salt. Pulse a few times to mix. Cut 3/4 cup unsalted butter into 1 inch pieces and add to processor bowl. Process until the flour forms a coarse meal texture (about 12 seconds). Pour the flour mixture into the pan and spread evenly. Using your hands, press down on the flour mixture and compact it evenly to produce a consistent thickness of about 1/4 in. If you like, you can press the mixture up the sides of the pan about 1/2 in., but I don't bother. Refrigerate the crust for thirty minutes to firm it up and then bake at 350°F until golden brown (about 20 minutes).


While the crust is baking, throw together the filling. We'll be using (from left to right) 2/3 cup lemon juice, 1/3 cup whole milk (do not substitute), 2 teaspoons lemon zest, 4 large eggs, 1-1/3 cups granulated sugar, 3 tablespoons all purpose flour, and 1/8 teaspoon salt.


Whisk together the eggs, sugar, salt, and flour. (Baking Illustrated doesn't integrate the salt at this point - they mix it in with the wet ingredients, but I find it convenient to whisk the salt in with the dry ingredients.)


Stir in lemon juice, lemon zest, and milk until well blended. Once the crust is done baking, stir the filling once again to make sure it is well blended. Pour filling onto the still hot crust.


Bake until filling is firm to the touch (about 20 minutes). Remove from the oven and allow to cool to room temperature on a rack. After the lemon bars have cooled, lift the bars out by grasping the free ends of parchment paper and place on a cutting board. Use a pizza wheel or knife, cut into bars. I prefer to cut smaller bars (32 of them) because the filling is quite rich and strong.


If desired, serve with confectioner's sugar liberally sifted over the bars.



Seal uneaten bars in plastic wrap and consume within two days.


Lemon Bars (makes 32 bar cookies)
1-3/4 cup (245 g) all purpose flourmixprocessline 9x13" panrefrigerate for 30 min.350°F for 20 min.350°F for 20 min.cool and cut
2/3 cup (80 g) confectioner's sugar
1/4 cup (30 g) cornstarch
3/4 tsp. (4.5 g) salt
3/4 cup (170 g) butter
4 large (200 g) eggswhiskmix
1-1/3 cup (270 g) granulated sugar
3 Tbs. (24 g) all purpose flour
1/8 tsp. (0.8 g) salt
2 tsp. (4 g) lemon zest
2/3 cup (160 mL) lemon juice
1/3 cup (80 mL) whole milk
Copyright Michael Chu 2004
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Written by Michael Chu
Published on August 05, 2004 at 05:15 PM
44 comments on Lemon Bars:(Post a comment)

On April 05, 2006 at 05:21 AM, TT (guest) said...
if the recipe is from a book, is it considered fair use to reproduce on the web?


On April 05, 2006 at 05:21 AM, Michael Chu said...
I don't know. That's a good question. I'm pretty sure it's not okay to copy the text from someone else's book without permission, but since I executed the recipe from the book and then wrote about how I executed the recipe, it might be a slightly different case. If you look at Baking Illustrated, you'll find the recipe differs ever so slightly because I found it easier to do certain things in a certain order and it still worked. I will have to find out about that - time to send an e-mail to Cook's Illustrated.


On April 05, 2006 at 05:22 AM, Michael Chu said...
So, Cook's wrote back and said it was okay so long as I credit the source and include the correct recipe. If I alter the recipe, it should be clearly stated.


On April 05, 2006 at 05:22 AM, Lynn (guest) said...
Hi Michael, it's Lynn from Orkut's cooking community.

Just snooped around your website per your invitation to do so.

You've highlighted some recipes I'm already eager to try. Thanks for that.


On April 05, 2006 at 05:22 AM, an anonymous reader said...
I really like that you have also posted pictures.


On April 05, 2006 at 05:22 AM, an anonymous reader said...
Firstly, I love how you rpesent the recipes - the table format is a unique (to my knowledge), compact and sensible way of presenting recipes.

I have a FANTASTIC version of lemon bars that has whole cranberries added as a top layer. It's like eating sweet & sour condensed milk lemon heaven!

Email me at thisisnotablog@gmail.com if you're interested.


On April 05, 2006 at 05:23 AM, an anonymous reader said...
Recipes are not copyrightable under US law.


On April 05, 2006 at 05:23 AM, an anonymous reader said...
Well, you're half right: "Mere listings of ingredients as in recipes, formulas, compounds or prescriptions are not subject to copyright protection."

However a recipe may still be subject to copyright protections if it is:
"accompanied by a substantial literary expression in the form of an explanation or directions, or when there is a combination of recipes, as in a cookbook."

For futher reference, check the US Copyright Office documentation at:
http://www.copyright.gov/fls/fl122.html


On April 05, 2006 at 05:23 AM, Bob (guest) said...
Great recipies. Copyright the table format and write a book!!


On April 05, 2006 at 05:23 AM, an anonymous reader said...
This seems like a job for patents, not copyrights.

In my layman's view of how intellectual property law works, I imagine that Michael can copyright one particular table (e.g. this one for lemon bars) or patent the system of displaying a recipe in tabular form.

Any actual IP attorneys care to set us straight?


On April 05, 2006 at 05:24 AM, an anonymous reader said...
Great site, how about implementing the metrics system so we europeans can use the recepies ;-)


On April 05, 2006 at 05:24 AM, Michael Chu said...
re: metrics

Yes, that's on my things to think about how to do correctly and easily. Without changing how I post articles, I can't think of a simple solution to presenting U.S. and metric sizes. I don't want to burden myself with too much extra work when writing articles because I know that as soon as it stops being fun and becomes a chore, I'll stop writing.

Until I figure it out, use Google Search to perform conversions: "2/3 cup in mL" (sorry, we Americans use volumetric measurements)


On April 05, 2006 at 05:24 AM, an anonymous reader said...
Recipes *are* copyrightable under U.S. law. Just like any other literary work.

But, only the description in the recipe can be copyrighted, not the actual recipe itself (i.e. the process itself).

Thus, if you can find a different way to describe the same idea (Mom's Lemon Bars) then you're likely fine. A narrative description of how you went about putting together lemon bars might be enough, as might reproducting the recipe in table form. But who really knows what a judge will decide without caselaw... but given the relatively low creative content of a recipe description and how closely the description is tied to the process itself, there's probably a lot of leeway in how much of the description of the process you can use without it being infringement.


On April 05, 2006 at 05:24 AM, Lampare (guest) said...
If you like the taste of lemons and enjoy the occasional aperitif, the following recipe might be of interest to you:

Limoncello

Zest of 10 lemons
750 ml. 100-proof vodka
1 cup water
1 cup sugar

Quickly wash the lemons in hot tap water to remove the thin coating of carnauba wax. Remove the zest (yellow part of the rind) from the lemons. Be careful to leave as much of the white pith behind as possible, as it will impart a bitter taste to the finished product. Place the zest in a quart jar that will accommodate a tight fitting lid. Pour the vodka over the zest, tighten the lid, and place in a cool dark place for 14-20 days.

After the allotted time, strain the vodka through a fine mesh sieve into another container. The zest should be a pale, washed-out, light yellow. Place the pallid peel in a pan, add the cup of water, then the cup of sugar and bring to a boil. Stir to dissolve the sugar completely. Strain the resulting simple syrup through a fine mesh sieve into the reserved vodka. Stir. You will end up with slightly more than a quart of lemony goodness. Place the liquid in a suitable container. Limoncello benefits from a period of aging, during which the flavor mellows somewhat.

Yield: approximately one quart (2 servings)

Serve ice-cold directly from the freezer in little jelly jars from Hickory Farms. It is best to make a double batch, since your friends and relatives will probably drink most of what you make, even though when you first brought it out they thought “Oh Boy, here we go again! Another weird idea from the Wizard of Odd”. But you showed them as they smacked their lips and asked for seconds….



A Simple Solution to The Naked Lemon Dilemma

After making Limoncello, you will end up with at least 10 zestless lemons. There is nothing more pathetic than citrus fruits that have surrendered to apathy, so I suggest the following options after removing the juice from the lemons - either freeze the juice for future use or make homemade lemonade…

Classy Lemonade

1 cup lemon juice
1 cup sugar
1.5 quarts cold water

Combine all ingredients and stir to thoroughly mix. Adjust sugar to taste. Serve over (this is the classy part) fresh-chipped hormone-free Canadian glacial lake ice in a chilled hand-blown lead-free glass with a swizzle stick made from organic free-range union harvested sugarcane. This is especially good topped with a shot of Limoncello.


On April 05, 2006 at 05:25 AM, an anonymous reader said...
Have you tried the Sunkist Lemon Bars mix? I have yet to find any lemon bar recipe that tastes 80% as good. The current one from Cooks Illustrated is OK. But really, if you haven't tried this mix, please get a box and do an experiment.

For an image of the box, go to the bottom of this page:
http://www.sunkist.com/products/united_states.asp

Thanks for posting the recipe though. Now back to the kitchen to see now to improve it (in the direction of mimicking Sunkist)... :P

Maverick


On April 05, 2006 at 05:25 AM, an anonymous reader said...
I just found your site, and I love the format used for recipes. BUT: how do you print one? Any help would be appreciated.


On April 05, 2006 at 05:25 AM, Michael Chu said...
There is a printer friendly link (right befoe the comments begin at the end of each article) that expands the width of the article and gets rid of ads - you can also toggle comment and pictures in that mode. Printing on a color printer doesn't work as well as on B&W. Try making your printer print in black and white if you have a color printer (the browser won't attempt to print the background and will render the text as black).


On April 05, 2006 at 05:25 AM, Michael Chu said...
re: Sunkist lemon bars

I did try them. They are pretty good. Taste a bit fake to me, but that's just my taste. We may need to replace the fresh lemon juice with bottled or dehydrated. The shortbread in the sunkist also uses shortening instead of butter, which may make a difference. I felt the flavor of the shortbread was obviously not as buttery and the lemon filling was a bit sweeter than the Cook's Illustrated recipe.


On April 05, 2006 at 05:26 AM, an anonymous reader said...
Hi, I made this vegan.

For the base, I used the same mixture but with Earth Balance margarine for the butter. I did this with a hand mixer and it worked just as well, though it probably took a bit longer.

For the lemon bit, I used a vegweb recipe. The recipe is similar, but of lesser volume, so I doubled it.

Mix together:

* 6 eggs (EnerG Egg Replacer)
* 1 1/2 cup sugar
* lemon zest and juice of six small lemons
* 1 teaspoon baking powder
* 1/4 teaspoon salt
* 6 tablespoon flour

Try to incorporate the froth from the egg replacer as much as possible since otherwise it'll cook faster and form a skin on top.

Pour on top of the base and cook for 30-35 minutes (10-15 minutes longer than this recipe). The topping won't look solid since egg replacer is mostly starch; it will thicken as it cools.

The base of these bars is really crunchy and nice. Thanks Michael!


On April 05, 2006 at 05:26 AM, an anonymous reader said...
Can the lemon bars be frozen?


On April 05, 2006 at 05:26 AM, fwendy_repost (guest) said...
As American cup measures are widely available in the UK, I don't think a lack of either metric or Imperial weight conversions will hamper a dedicated cook.

Not sure if they're available in the rest of Europe though.

Great site by the way!


On April 05, 2006 at 05:27 AM, an anonymous reader said...
I believe that the recipe my family uses is from sunkist, I tried the box version and it does not compare. The best lemon bars are made with fresh squeezed lemons, mmm. I love lemon bars, I find that they are the only edible form of lemon which I generally dislike, weird.


On July 20, 2006 at 05:51 PM, an anonymous reader said...
Okay, since you have thee best recipe from Sunkiss... then why not share it?


On October 02, 2006 at 02:08 PM, Ali (guest) said...
Subject: Metrication
Quote:
Without changing how I post articles, I can't think of a simple solution to presenting U.S. and metric sizes. I don't want to burden myself with too much extra work when writing articles because I know that as soon as it stops being fun and becomes a chore, I'll stop writing.


You could use a stylesheet to get the content to display differently, or javascript to dynamically alter the content. Either way could allow the user to enter a preference.


On January 04, 2007 at 10:17 PM, an anonymous reader said...
Subject: milk and lemon juice?
Hi, Michael!

I like your site, and have made Tiramisu using your recipe, which turned out wonderfully!

I have a question about lemon bars. When you stir lemon jouice and milk into the filling mixutre, doesn't the milk curdle? Is it OK if it does? Cann't wait to try your recipe, I love lemon bars.


On January 05, 2007 at 09:02 AM, Michael Chu said...
Subject: Re: milk and lemon juice?
Anonymous wrote:
I have a question about lemon bars. When you stir lemon jouice and milk into the filling mixutre, doesn't the milk curdle? Is it OK if it does? Cann't wait to try your recipe, I love lemon bars.

It's okay if it does. The top layer is actually a type of lemon curd.


On February 22, 2007 at 10:47 PM, CRINKLEBUG said...
Subject: Lemon Curd
Mmmmm...Do you have a recipe for lemon curd? And scones??? ;)


On March 17, 2007 at 08:20 PM, an anonymous reader said...
Subject: lemonpeel
hi fellow lemonlovers!

loved the recipe and the family loved it too....no need to wrap up leftovers because there were not any !
A note on lemon peel - I dont know about the US - but in europe its not safe to use the peel of conventionally farmed lemons or other citrus fruit. More then once DDT, Lindan and other dangerous pestizides have been found IN the peel....scrubbing the fruits wont work here.
So now for me its only organic citrus fruits, especially when I want to use the peel.

regards and again thank you for the recipe

Susanne


On April 01, 2007 at 12:03 PM, an anonymous reader said...
Thanx for the recipe. It has a really strong lemon flavor, which is a bit too strong for my taste (I even left out the lemon zest). I tried making it in a 9x9 pan instead, so I made 3/4 of the recipe, but I had to cook the filling an extra ~10 min (so total around 30 min). Just thought I'd share that. :)


On June 29, 2007 at 11:04 AM, Beverly (guest) said...
Subject: lemon bars
cute website...I have always made lemon bars, but was in a hurry for a recipe and came across yours....followed your directions, except I did have to substitute 2 % milk ( and I don't recall having milk in my recipe)....but...my bars came out upside down....no crust on the bottom...hummmm.. :huh: .....but.....I love em anyway....made them for a happy hour get together and i'm sure everyone will too....


On July 22, 2007 at 04:15 AM, an anonymous reader said...
Subject: Looks Yummy!
I was cooking another lemon bar recipe from recipezaar.com, and came across your site. How great that you've posted the pictures of the different steps. That is incredibly helpful!


On September 28, 2007 at 03:53 AM, Anonymous Reader (guest) said...
Subject: Typo
"shorbread base"
If I am not mistaken, it should be shortbread not shorbread.

Love the site. Thanks ^_^.


On September 28, 2007 at 07:24 AM, Michael Chu said...
Subject: Re: Typo
Anonymous Reader wrote:
"shorbread base"
If I am not mistaken, it should be shortbread not shorbread.

Thanks for the catch - I've fixed it.


On October 06, 2007 at 11:26 AM, sircus said...
Subject: Confectioner's sugar
I think I'm right in thinking that this is what's known as icing sugar in the UK. If so, it might be a good addition to the ingredients dictionary...


On October 20, 2007 at 11:33 AM, Callan (guest) said...
Subject: Top With Chocolate Leaves and Raspberries
My favorite topping to lemon bars is homemade chocolate leaves.

First pick and wash a few leaves of a citrus tree. Orange leaves work best, as the underside of the orange leaf has veins that stand out.

Melt some semisweet chocolate chips in the microwave so that the chips can be stirred together into a thick paste.

Smear the chocolate paste onto the underside of a leaf.

Refrigerate coated leaves for 5-10 minutes, then gently peel away leaf from chocolate.

Refrigerate until ready to serve.

Good with lemon bars, or fresh berries and whipped cream.


On October 25, 2007 at 07:39 AM, an anonymous reader said...
Subject: nice webpage good instructions
Hi,
As an American living in Finland I don't get these as often as I would like ;) I found this site and just had to try them... better than the mixes I have received from home! Just great! However, how can I get a crispier top? I really like that on my mom's that she made :D


On December 09, 2007 at 08:17 PM, an anonymous reader said...
Successfully cooked these about an hour ago, they're lovely!

Two questions though:

1) When I make shortbread, I only use butter, salt and sugar (usually caster). What is the reason for using cornstarch/cornflour and confectioner's/icing sugar instead of caster or granulated? I couldn't really taste any difference but of course it's hard to differentiate with the lemony goo!

2) You say 'do not substitute' regarding the whole milk. Why? Why not semi-skimmed for instance, which is what I usually have in the fridge.

I can of course experiment, but I would appreciate any feedback and chemical analysis as to why!

A bit of chocolate drizzled onto the top of these lemon bars would be awesome, may have to try that! But frankly, they're sweet enough!

Many thanks for the recipe, and the website as a whole! :)


On February 01, 2008 at 12:42 AM, tangela (guest) said...
Subject: coarse meal texture?
Would it be possible to get the "coarse meal texture" for the crust with, say, a pastry cutter? [I am sadly lacking in kitchen appliances...] I've made lemon bars with a crust of just flour, sugar, and butter, which were combined until there were only pea-sized lumps [or smaller] left. Would this work, or is a "coarse meal texture" different?


On February 01, 2008 at 12:47 AM, Michael Chu said...
Subject: Re: coarse meal texture?
tangela wrote:
Would it be possible to get the "coarse meal texture" for the crust with, say, a pastry cutter? [I am sadly lacking in kitchen appliances...] I've made lemon bars with a crust of just flour, sugar, and butter, which were combined until there were only pea-sized lumps [or smaller] left. Would this work, or is a "coarse meal texture" different?

You can certainly use a pastry cutter or a couple knives to produce the same effect. The lumps should be a little smaller than pea sized.


On February 10, 2008 at 03:35 AM, an anonymous reader said...
Subject: This sounds wonderful
Really just posting a comment so my 9 yeard son can see how comments work. Thanks for the great recipe.

I find it hilarious that a good portion of the comments relate to copyright -- THIS IS a cooking for engineer's web site. :) B)

Robert


On February 11, 2008 at 03:24 AM, Katynstevensmom (guest) said...
Subject: Thanks
Hey there. I am an engineer (of the civil variety) with a plethora of lemons from my tree here in California. Looking for ways to use them. Thanks for the recipe! I am going to try it now.


On March 13, 2008 at 12:14 AM, Trouble (guest) said...
Subject: Lemon
Hey all,

My receipe for Spice Lemon requires to use all part of lemon skin which means white and yellow. Although I know white makes bitter taste, I have no choice. Can anyone give me suggestion to get rid of bitter taste any how?


On March 25, 2008 at 01:49 PM, rich.bronson said...
Subject: Re: Looks Yummy!
Anonymous wrote:
I was cooking another lemon bar recipe from recipezaar.com, and came across your site. How great that you've posted the pictures of the different steps. That is incredibly helpful!


I have made lemon bars from that site too and they came out pretty good, but I like how you relayed your recipe with the pictures and I think they will come out even better.


On May 16, 2008 at 05:01 PM, amature baker (guest) said...
Subject: lemon bars
Just found your site,it's wonderful! Good recipe format & love the pictures for those who sometimes wonder if it's "looking right" while assembling. In response to the cornstarch question,this is what helps to make the crust (shortbread) so flakey or tender. The milk is different & would make it more like a baked custard. I think it also helps to mellow potential bitterness from the lemon zest. With any baking experience,a sturdy fork,grater,& measuring instruments this could easily be all hand made.

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