Italian Crock Pot Beef Roast (Instant Pot Beef Recipe)

Italian Crock Pot Beef Roast

  • Author: seekinggoodeats
  • Prep Time: 5
  • Cook Time: 6 hours
  • Total Time: 6 hours 5 minutes
  • Category: Dinner
  • Method: Slow Cooker or Pressure Cooker
  • Cuisine: Italian



  • 34 lb boneless chuck roast
  • 8 oz package sliced mushrooms (we used baby bellas)
  • 1 medium onion, thinly sliced
  • 14.5 oz can diced tomatoes with garlic and olive oil
  • 4 tbsp butter
  • 4 tbsp olive oil
  • 2 tsp beef bouillon
  • 1 tsp salt
  • 1/2 tsp pepper
  • 2 tsp italian seasoning
  • 3 tbsp tomato paste (reserve 1 tbsp)
  • 1 tsp garlic powder
  • 1/2 tsp xanthan gum, or 2 tablespoons cornstarch


Slow Cooker Method

Spray slow cooker with nonstick spray. Add all ingredients to the crock pot, mushrooms and onions first, beef roast on top, then tomatoes, tomato paste (reserving 1 tbsp. for later), beef bouillon, salt, pepper,  italian seasoning, butter, olive oil, and garlic powder. Turn on low and cook for 7 to 8 hours, or until meat is very tender and falls apart.

About 30 minutes prior to serving, in a small bowl mix xanthan gum (or cornstarch) with 1 tablespoon of tomato paste. Slowly whisk in 1/4 cup water until well blended, then add to crock pot and stir.

Allow sauce to thicken in slow cooker (lid off) until ready to serve.

Salt and pepper to taste

Instant Pot Method

Dry chuck roast with paper towels and season with salt and pepper.

Select Saute setting, Medium. Add 2 tablespoons butter and 2 tablespoons olive oil to pot, and melt. Sear meat on both sides until golden brown about 3 to 5 minutes per side. Set aside on plate.

Add the remaining butter and olive oil, and saute onions and mushrooms until tender. Add roast back into pot, then add tomatoes, tomato paste (reserving 1 tbsp. for later), beef bouillon, salt, pepper, 1 cup water, italian seasoning, and garlic powder.

Secure lid on pressure cooker. Set to Pressure Cooker, High for 80 minutes. When cooking is complete, use the quick release method to release steam.

In a small bowl, mix xanthan gum or cornstarch with tomato paste until blended. Slowly whisk in 1/4 cup water until incorated well. Add mixture to crock pot and stir with juices. Leave the lid off and allow juices to thicken, stirring occasionally.

Salt and pepper to taste

Serve and enjoy!

Keywords: pot roast recipe, slow cooker beef roast, italian recipe, instant pot roast recipe