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+ servings
Close-up of tender beef strips with peppers in a savory sauce served over rice

Crockpot Pepper Steak

Prep Time 10 minutes
Cook Time 3 hours
Total Time 3 hours 10 minutes
Tender strips of sirloin steak slow-cooked with bell peppers, onions, tomatoes, and a savory-sweet sauce for a comforting Crockpot Pepper Steak.
6 Servings

Ingredients

For the Pepper Steak:

  • 2 pounds sirloin steak cut into strips
  • 1 red bell pepper sliced
  • 1 green bell pepper sliced
  • 1 white onion sliced
  • 1 can 14–15 ounces diced tomatoes
  • 2 teaspoons garlic minced
  • 2 tablespoons olive oil
  • cup hot water
  • 1 beef bouillon cube
  • 3 tablespoons soy sauce
  • 1 tablespoon cornstarch
  • 1 tablespoon brown sugar
  • 2 teaspoons Worcestershire sauce
  • Salt and black pepper to taste

For Garnish (Optional):

  • Thinly sliced green onion

Instructions
 

Sear the steak

  1. In a large skillet, heat the olive oil over medium-high heat. Add the strips of sirloin and sauté until browned on all sides. Do not cook through; this step is to develop flavor.

Prepare the broth base

  1. In a measuring cup, dissolve the beef bouillon cube in the hot water. Whisk in the cornstarch until fully combined, then pour the mixture into the crockpot.

Add seasonings and sauce

  1. Stir in the Worcestershire sauce, soy sauce, and brown sugar. Add the diced tomatoes along with a pinch of salt and black pepper to taste.

Combine beef and onion

  1. Transfer the browned steak strips and sliced onion to the crockpot. Stir gently to coat the ingredients evenly in the sauce.

Slow cook

  1. Cover and cook on low for 6 to 7 hours, or on high for approximately 3 hours, until the steak is tender.

Add peppers

  1. One hour before the end of cooking time, stir in the sliced red and green bell peppers. Continue cooking until the peppers are tender yet still slightly crisp.

Serve

  1. Garnish with green onions if desired. Serve the pepper steak over rice, noodles, or mashed potatoes, accompanied by a fresh salad.

Notes

To prepare this recipe gluten-free, replace soy sauce with certified gluten-free tamari or coconut aminos. Ensure that the beef bouillon and Worcestershire sauce used are also labeled gluten-free.
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