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meeka123surprise Guest
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Posted: Sat Dec 24, 2005 7:23 pm Post subject: Roast time |
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How long will it take a 12 lb standing rib roast (short end) to cook to rare to medium rare at 250 degreesin a convection oven?
Thank You! |
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Guest
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Posted: Sat Dec 24, 2005 10:15 pm Post subject: Question about a "tied" boneless prime rib roast |
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Hi, I have a 4lb boneless prime rib roast. It came from the butcher tied together with a string "netting". What is the best way to cook it? I wanted to rub it with cracked black pepper & crushed garlic....Do I do this with the netting on it & then cut it off before serving? Or would it be better to remove the string netting, rub it & retie string around it in a few places?
Thanks in advance!
Sue |
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Michael Chu
Joined: 10 May 2005 Posts: 1654 Location: Austin, TX (USA)
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Posted: Mon Dec 26, 2005 12:55 am Post subject: |
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This reply is probably much too late to help anyone in their Christmas dinner in 2005 (sorry, I was out with my family on vacation - actually I still am on vacation...)
In answer to the last several questions (in random order):
The best recipe I know of for roasting a prime rib is the one detailed in this article - hands down, no competition.
How long do you need to cook a 12, 14, 19.5 lb. rib in a 200°F, 250°F, or X°F conventional or convection oven? I have no idea - sorry. Please see my earlier comment on the difficulty in assessing the exact time of doneness and the reliance on a probe thermometer. You can do what great prime rib restaurants do - cook it early and then keep it warm for in a really low temperature oven (170°F or lower if your oven can do it).
String nettings? If you want to add a spice rub, remove the netting, apply the rub, and then retie between the ribs.
I hope everyone is having a Merry Christmas regardless of how your standing rib roasts came out. It's all about being with family, friends, or your community, right? Speaking of which, mine is calling for me to return to them...
Oh, by the way, I'm in the U.S. Pacific Time Zone. I believe the forums default to GMT if you haven't set your time preferences in your profile. |
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Guest Guest
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Posted: Mon Dec 26, 2005 1:48 pm Post subject: THANK YOU!!! |
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In the interest of adding to your data on various sizes of roasts and cooking times: I cooked a 4.11 lb. Ribeye Roast at 200 degrees F for 3 hours. I removed it from the oven when my quick read thermometer registered 128 degrees because I like my meat just slightly under medium rare. The meat was exactly to my liking - though I did not see the 10 degree rise in temperature that was supposed to have occured while my meat was resting for 20 minutes. Thank you for your excellent web site. I love your logical approach to cooking.
Signed -- The wife of an engineer in Ohio. |
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Eric Guest
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Posted: Mon Dec 26, 2005 2:51 pm Post subject: Standing Rib Roast Cooking Time |
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I ran into the problem of redicting how long it would take to cook the roast. My instructions were to have the 7 lb standing rib roast ready and med-rare by 4pm on Xmas day. Different recipes and instructions all seemed to give inconsistent cooking times. So my scientist neice and I decided to collect some data so that we would have some info to go on next year. Here's our experience. We recorded all temperatures using a Williams-Sonoma temperature probe with remote readout. All measurements were taken with the probe inserted to the center of the roast. Our oven is a standard GE electric oven - no convection.
I pulled the roast out of the fridge one hour before cooking time. During this time the center temperature barely changed: started at 43 F and after one hour it was 45 F. No surprising, but clearly the phrase "getting it to room temperature" more of a saying that truth.
I first cooked the roast for 10 minutes at 450 F. The temperature increase picked up. After 10 minutes we were at 47F.
I then lowered the oven setting to 250 F and let it roast slowly. Now the center temperature really began heating up and at a relatively constant rate. From 47 F to about about 100 F the rate was about 1.5 min/deg F. After 100 F it begins to slow at bit, but not dramatically. I had an average rate of 1.9 min/F toward the end of the oven time. We pulled it out when the probe hit 125 F after an oven time of 2 hours 41 minutes (10 min at 450 F, 2 hr 30 min at 250 F).
Average cooking times were:
23.1 min/lb to get to a center temperature of 125 F
21.8 min/lb to get to a center temperature of 121 F
The surprising part of this was how much the center temperature increased after we removed the roast from the oven. I had read in one recipe that it would increase 5 F and in another recipe that it would increase 5 to 10 F. We saw an increase of 13F up to 138F. This occurred over a period of 43 minutes.
I was a bit concerned that the 138 F center temperature would push me past our goal of med-rare and squarely into med territory, but 138 F seemed perfect. The meat was evenly pink throughout and plenty tender.
For future reference, I plan to stick with the 450 F / 250 F method and to estimate times using the average cooking rates above plus an allowance of 45 minutes "set up time" after it comes out of the oven.
Happy eating. |
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Michael Chu
Joined: 10 May 2005 Posts: 1654 Location: Austin, TX (USA)
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Posted: Tue Dec 27, 2005 9:44 am Post subject: Re: THANK YOU!!! |
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Guest wrote: | The meat was exactly to my liking - though I did not see the 10 degree rise in temperature that was supposed to have occured while my meat was resting for 20 minutes. |
Following the recipe detailed above, you should not have much carryover temperature increase. It might increase 1-2 degrees. Carryover temperature increases are caused by having a temperature gradient within the roast causing the interior to continue to rise in temperature while the exterior just begins to cool. The 200°F roasting method has very little difference in temperature from the very center to the semi-center, so not much carryover cooking occurs. |
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zx9rblue
Joined: 24 Dec 2005 Posts: 2
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Posted: Wed Dec 28, 2005 12:30 am Post subject: Outstanding |
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I hoist my whiskey glass to you Mr. Chu,
Excellent recipe. We followed the instructions as posted.
8 lb'er and it turned out perfect. I had so many compliments.
Cooking time was about an hour less than calculated using a coventional natural gas oven.
Next time I do this I will grab the data logger from work and instrument the cooking process. |
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paul Guest
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Posted: Wed Dec 28, 2005 9:43 pm Post subject: what to do with the leftovers |
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Any recommendations for how to reheat the leftovers from a standing rib roast?? |
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Michael Chu
Joined: 10 May 2005 Posts: 1654 Location: Austin, TX (USA)
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Posted: Thu Dec 29, 2005 7:58 am Post subject: Re: what to do with the leftovers |
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paul wrote: | Any recommendations for how to reheat the leftovers from a standing rib roast?? |
Reheating without cooking the roast further is a difficulty. Slice off the amount of roast that you want to reheat, slip into a Ziploc bag, seal, and drop into hot tap water (about 120-140°F). The water will gently reheat the meat without pushing it into well done status (like a microwave oven would). The amount of time it takes to reheat to eating temperature varies depending on the thickeness of cut and how cold it was when you started to warm it up. Exchange the water even ten minutes or so to keep the water temperature up. |
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also anonymous Guest
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Posted: Thu Dec 29, 2005 3:46 pm Post subject: no whine! |
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Man, engineers are a whiny bunch. Just cook! (I realize humor may have been intended but....) This is a good recipe. |
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Maria Elena Guest
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Posted: Thu Dec 29, 2005 5:01 pm Post subject: How to cut the Prime Rib with Bone? |
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I read your excellent detailed recipe, I am also an engineer..I am wondering how do you slice the meat piece after cooking it.Do you have to remove the bone first?..how do you do that?
Thanks |
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Michael Chu
Joined: 10 May 2005 Posts: 1654 Location: Austin, TX (USA)
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Posted: Thu Dec 29, 2005 8:46 pm Post subject: Re: How to cut the Prime Rib with Bone? |
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Maria Elena wrote: | I read your excellent detailed recipe, I am also an engineer..I am wondering how do you slice the meat piece after cooking it.Do you have to remove the bone first?..how do you do that?
Thanks |
Yes, remove the bones first by cutting along the inside of the ribs around the rib roast itself. If you have a small roast, you can cut off all the ribs at once, but if your roast is very large, then you may need to cut off thee or four at a time. After the ribs have been removed, you can separate the ribs by splitting them with a sharp knife (just run the knife between the ribs). These are seriously delicious pieces of meat for the more adventurous party members (meaning - guests who don't mind getting their hands dirty).
Once the ribs have been removed, take the roast and start at the cut end, use a long sharp knife and slice the roast. The slices can be thick or thin, but should be cut straight across the roast. (Two ends of your roast came already cut, just follow the same direction of cut and work your way across the roast.) |
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padthai4me Guest
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Posted: Fri Dec 30, 2005 9:59 pm Post subject: Another log on the fire... |
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Lots of methods,times & temps abound. As an engineer, I was inspired by an old issue of Cooks Magazine. They did the complete matrix experimentally, buying 20+ rib roasts and cooking with all the permutations people seem to use. The hands-down winner (they compared to the best restaurant roast), was a few minutes to brown on the stove, then in to a 200-degree oven until 130 or so for medium rare. There will be little or no temp runup during resting. It comes out perfectly uniform from end-to-end and from outer to inner, no Medium spots. I've been using this for 8 years and never had anything less than rave reviews.
Pad |
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Larry Guest
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Posted: Sun Jan 01, 2006 6:58 pm Post subject: Pan choice |
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If you sear on top of the stove first, (I have a nice big cast iron skillet), then would you put the same cast iron skillet into the oven or switch to a nice shiny roasting pan? (If the latter, I would assume save the skillet, deglaze later and add to the other pan drippings for jus or gravy).
Also, if switching to a roasting pan, do you lightly oil the pan first or not?
Or do you brown on the stove in a roasting pan rather than cast iron? |
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Tony D Guest
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Posted: Mon Jan 02, 2006 1:19 pm Post subject: what a great roast! |
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You have a great site. The replies have been great in helping me evaluate the options and prepare a wonderful New Years day meal. Since really good engineers share data, here is some input for the file. I used a bone in roast that started out just below 6# and aged it for 6 days in the fridge covered with cheese cloth. At cooking time it weighed 5.5#. At 1 1/2 hrs out of the fridge it only rose to 47 F. I browned it on all sides in a pan, rubbed it with garlic and seasoned with salt and pepper. In a shallow, ceramic pan, on a rack and with a 225F oven the internal temp rose to 127 in 3 hours, about 26 degrees per hour. After 45 minutes of resting, temp was 132. The ribs were trimmed off for eaier slicing. The first cut revealed a perfect, juicy, medium pink center. One of the guests liked theirs more done than rare so I put an end slice under the broiler, cut side up for more doneness. The flavor and taste was everything hoped for and all of my guests could not believe how good it was. The two bottles of Shiraz may have helped. It served six people (about 1/2" to 3/4" slices) with a little left over. This recipe is a keeper and will become a New Years standard for us. Thanks to all the contributors who helped make this possible. |
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