This sirloin tip roast recipe is delicious and perfect thinly sliced and served with au jus! It is a lot easier than you think. With just seasoning and a little bit of time, this beef sirloin tip roast comes out deliciously juicy!

Sirloin tip roast is perfect served as an entrée with mashed potatoes or roasted broccoli and a crisp salad. The leftovers make great sandwiches during the work week and are perfect in Beef Barley Soup.

Sirloin Oven Roast not sliced

What is a Sirloin Tip Roast?

Also called a beef sirloin tip roast, or a round tip roast, this is the portion that is cut from the hindquarters of the cow and is often a tougher cut- the larger the muscle, the tougher the cut. This is not the same as a sirloin roast.

A sirloin tip oven roast should be slowly cooked to tenderize the meat, to turn this cut of beef into a masterpiece! Meat is expensive so I always use a thermometer for everything from perfect pork tenderloin to  baked ham and even roast chicken!

I have both an instant read thermometer for things like steaks and chicken breasts and one I can leave in the oven for things like roasts or roast chicken. Using a thermometer ensures your dishes come out perfectly cooked and meat is juicy and tender, never dry!

Sirloin Oven Roast in baking dish

How to Cook a Sirloin Tip Roast

A high temp at first creates a crust on this roast and seals in the juices (so I don’t bother to brown first). The lower temperature allows the roast to slow cook to tender perfection. This roast is lean so it is important that it isn’t overcooked (use a thermometer). It is also essential that you let the meat rest at least 15 minutes (I usually do 20 min) before carving.

  1. Preheat oven to 450°F.
  2. Allow a 4 or 5 lb roast to sit at room temperature for a good hour.
  3. Rub the olive oil and seasonings onto the meat and set aside.
  4. Slice a whole onion (yellow or white) into thick rings and place on the bottom of a dark pan. A stockpot or cast-iron skillet will do! This will be the foundation for the top sirloin roast to rest on while it roasts AND the onions provide flavor!
  5. After roasting, the onions can be discarded (as they tend to get quite dark) or blended with the juices and into a sauce or delicious gravy. Yum!

Sirloin Oven Roast with herbs

How Long to Cook a Sirloin Tip Roast

Slow and steady will elevate this tougher cut of meat to tasty and tender perfection! Start out at 450°F for the first 15 minutes to sear the meat and then slow roast at 300°F for 50-75 minutes. This can vary based on how cold your roast is, the shape and/or size of the roast etc.

The roast should reach an internal temperature of 135°F for medium rare. Take your roast out of the oven about 5-7° before it is cooked as it will continue to cook while resting under tented foil.

To get this right, I strongly suggest a thermometer. Remove and tent with aluminum foil and let sit for at least 20 minutes before carving.

Sirloin Oven Roast sliced up close

More Delicious Roast Recipes

up close picture of oven roast sirloin
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Perfect Sirloin Tip Roast

This sirloin tip roast recipe is one of our favorites! It can be prepped, roasted, and served in no time at all!
Prep Time 10 minutes
Cook Time 2 hours
Resting time 15 minutes
Total Time 2 hours 10 minutes
Servings 8 servings

Ingredients  

  • 1 sirloin tip roast 4-5 lbs
  • 2 tablespoons olive oil
  • 1 teaspoon garlic powder
  • 1 teaspoon fresh cracked pepper
  • salt
  • 1 teaspoon dried rosemary
  • 1 onion

Instructions 

  • Preheat oven to 450°F.
  • Remove roast from the refrigerator at least 45-60 minutes before cooking.
  • Rub roast with olive oil and seasonings. Slice onions into thick rings (do not separate rings) and place in the bottom of a dark pan.
  • Place roast on top of onions. (You may not need all of them, you need the onions covered by the roast or they will burn).
  • Roast at 450°F for 15 minutes. Reduce heat to 300°F and roast until cooked to desired temperature. (135°F for medium-rare, 145°F for medium), about 90 minutes more.
  • Remove from oven (a few degrees before it's done), I usually take mine out at about 142°F and loosely tent with foil. Let rest at least 20 minutes before slicing.
  • Discard onions and save any drippings for gravy or freeze to add to soups or stews.

Notes

Leftovers can be kept in a covered container in the fridge for up to 3-4 days. 
4.97 from 404 votes

Nutrition Information

Calories: 294 | Carbohydrates: 1g | Protein: 52g | Fat: 7g | Saturated Fat: 1g | Cholesterol: 140mg | Sodium: 114mg | Potassium: 929mg | Vitamin C: 1mg | Calcium: 14mg | Iron: 1.8mg

Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.

Course Beef, Main Course
Cuisine American

Cooking method adapted from Canada Beef – Oven Roast Know How

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Holly is a wine and cheese lover, recipe creator, shopping enthusiast and self appointed foodie. Her greatest passion is creating in the kitchen and making deliciously comforting recipes for the everyday home cook!
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Comments

  1. I’ll be making this recipe for New Years day, sounds perfect! I have two smaller roasts (approx 2.5lb each) that I will be cooking in the same pan. Will I need to adjust the instructions at all? Thanks!

    1. Hi Kim, cooking two 2.5 lb roasts should be similar to cooking one 5 lb roast, so you can follow the recipe for the most part. I would just keep an eye on and check the temperature of the roasts to ensure they cook to your liking. 145°F in the center means the roasts will be juicy without being overdone. I Hope that helps!

    1. Hi Corinne, yes you can use this method with a 3 pound roast. You can follow the recipe directions but once you turn the oven temp down to 300°F, you will not have to cook the roast for as long. Keep an eye on the roast and use a meat thermometer to cook it to your desired doneness. I hope that helps!