Shirley's Perfect Rare Roast Beef or Pork Tenderloin

Prep Time
Cook Time
1h 5m
Ready In

"My mom showed me how to make the perfect roast beef, and I mean PERFECT! I love my roast beef rare to medium-rare, and this is how I do it. IMPORTANT: Take your roast out of the fridge, and let it sit to get it to ROOM TEMPERATURE! If you like it really rare bake the beef for 5 minutes per pound at 500 degrees F. If you like your roast beef cooked medium, put in for 8 minutes, per pound at 500 degrees F. If you like it well done, then just burn the darn thing LOL.********** What's nice about this roast is, if someone likes it done a little more, the end pieces are a little more done then the middle of the roast. **********(The roast in the series of photos that I took was a 2.75 pound bottom of the round roast. I baked it at 500 for 15 minutes, then turned the oven off and left it in the oven for 1 hour for a rare roast). Keep in mind that this cooking method depends on how accurate the temperature of your oven is and how well your oven retains heat. Adjust cooking time +/- according to the way your oven heats. ********** Do not use the CONVECTION setting on your oven, when doing a roast this way (It cooks faster using that setting). ********** The Pork Tenderloin works in the same way with one difference. Bake for 5 1/2 minutes per pound, then shut off the oven and let it sit in the oven for 1 hour. It will come out just pink in the middle, which is how pork is supposed to be eaten. Have no fear of the pork being underdone. Pork only needs to be cooked to 145 degrees F. Use a meat thermometer if you want to."

Original is 5 servings


  • Serving Size: 1 (27.5 g)
  • Calories 11
  • Total Fat - 0 g
  • Saturated Fat - 0 g
  • Cholesterol - 0 mg
  • Sodium - 1.1 mg
  • Total Carbohydrate - 2.6 g
  • Dietary Fiber - 0.5 g
  • Sugars - 1.2 g
  • Protein - 0.3 g
  • Calcium - 6.3 mg
  • Iron - 0.1 mg
  • Vitamin C - 2 mg
  • Thiamin - 0 mg

Step by Step Method

Step 1

Preheat oven to 500 degrees. Wait for a few minutes before you put your roast in, so it gets as hot as possible.

Step 2

Put the room temperature roast in a SHALLOW pan. A cookie sheet works well.

Step 3

For The Roast Beef: Cut onion into thin rings, and put all over the top and sides of the roast using toothpicks if necessary. (I sit a few slices on the bottom of my roast too).

Step 4

Sprinkle roast generously with garlic powder, or to your liking. DO NOT SALT roast, or you will dry it out.

Step 5

Put roast in the oven on the middle rack. Bake 5 minutes per pound at 500 degrees F.

Step 6

After you bake your roast the 5 minutes per pound, turn the oven OFF and DO NOT OPEN for EXACTLY 1 hour. When the hour is up, take the roast out of the oven, and let sit for 15 minutes, to allow juices to distribute in the roast.

Step 7

For The Pork Tenderloin: Sprinkle Pork Tenderloin with black pepper, and herbs of choice. Rub in.

Step 8

After you bake your roast the 5 1/2 minutes per pound, turn the oven OFF and DO NOT OPEN for EXACTLY 1 hour. When the hour is up, take the tenderloin out of the oven, and let sit for 15 minutes, to allow juices to distribute in the roast.

Step 9

Roast Beef: I use my electric knife to cut my beef roast into 1/4 inch thick slices, and place on a serving dish.

Step 10

Pork Tenderloin: I cut my pork tenderloin roast into 1/2 inch thick pieces, and place on serving dish.

Step 11

Don't forget to make the gravy!


No special items needed.

17 Reviews


I have made this several times and it always comes out tender and rare, just how we like it!!


review by:
(25 Apr 2022)

Bevs Best Recipes

I cooked a 3 lb pork roast for 6 mins per lb, then shut it down and kept it in the oven for 1 hr. I wanted to make sure it wasn't too pink. Worked like a charm. I let the roast sit for abt 45 mins to take the chill off before putting it in the oven. Important if you want it to bake properly! When it was done it was just slightly pink in the middle after resting for 20 mins tented in foil. Delicious!!


(9 Apr 2021)


I used an eye of the round roast that had a $1.00 off coupon. It weighed about 2 1/2 lbs. So, I covered it with the onions and garlic powder, put it on a cookie sheet for 13 minutes at 500 degrees, turned the oven off and didn’t open the door for one hour, then let it set on top of the stove for 15 minutes, EXACTLY, like your recipe said! I sliced thin with the electric knife. I think that it’s the best beef roast that I’ve ever made, and I had real happy husband!!!


review by:
(11 Feb 2021)


I had doubts as to how my roast was going to turn out but was surprised that it came out rare like we like it, but not real bloody. I used a 3.5 lb eye round roast. It was so tender you could almost cut it with a fork. I won't make my roasts any other way now!


review by:
(7 May 2019)


This is a super roast that turned out tender and the way we like our roast, rare and delicious! The pork tenderloin is next!


review by:
(8 Jan 2014)


I had a 2 lb tenderloin and brought it to room temperature, then put it in a preheated oven and baked at the high temperature for 11 minutes. After the hour of sitting in the oven I brought it out, covered it with aluminum foil and let it sit for about 20 minutes. It came out slightly pink, which is how pork is supposed to be when serving to get the tenderest pieces, and it was succulent! I will use this method from now on when doing roasts of both kinds. A truly genius recipe that helps save on the electric bill and also won't heat up the house as much!


review by:
(25 Apr 2013)

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