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5 from 10 votes

Crock Pot Pepper Steak

This easy Crock Pot Pepper steak is made with tender beef strips, peppers, onion and a tomato based sauce. Flavor is amazing!
Prep Time15 mins
Cook Time9 hrs
Total Time9 hrs 15 mins
Course: Main Course
Cuisine: American
Keyword: Crock Pot Pepper Steak
Servings: 6
Calories: 286kcal
Author: Brandie @ The Country Cook


  • 2 tbsp vegetable oil
  • 2 lbs round steak or sirloin tip steak, cut into 1-inch strips
  • 1 tsp garlic powder
  • salt and pepper, to taste
  • 1 beef bouillon cube
  • 1/4 cup hot water
  • 1 tbsp cornstarch
  • 1 (15 oz) can stewed tomatoes, with liquid
  • 3 tbsp teriyaki or soy sauce
  • 1/2 tsp red pepper flakes
  • 1 teaspoon sugar
  • 1 large green pepper, cut into strips
  • 1 large red pepper, cut into strips
  • 1 small yellow onion, sliced


  • Heat up vegetable oil in a large skillet over high heat. You want to get that oil heated up. It should be screaming hot.
  • Season strips of beef with garlic powder, salt and pepper.
  • Carefully place half the beef strips into hot pan. Brown beef strips on both sides. They should be sizzling when you put them in the pan. It should only take about a minute per side. Do not cook through, just brown the outside.
  • Continue with the other half of the beef strips.
  • Once they are all browned, transfer beef to crock pot.
  • In a small bowl, crush and mix bouillon cube with hot water until dissolved. Then stir in cornstarch until dissolved. Pour this slurry into the crock pot with the beef.
  • Add stewed tomatoes, red pepper flakes, Teriyaki (or soy) sauce and sugar.
  • Give it all a quick stir. Then cover and cook on on low for 6 to 8 hours.
  • During the last hour of cooking, add in your sliced peppers and onions.
  • Cover and cook for additional hour.



Remember, when you cut a steak, to slice it against the grain for the most tender cut. You could also use london broil or flank steak. If you want the sauce in this to be thicker, just add another cornstarch slurry to it. Mix a tbsp. of water with a tbsp. of cornstarch. Add to the crock pot, stir, then turn on high and cook until thickened.
Note: Can't find beef bouillon? Just substitute beef stock or substitute the powdered beef bouillon with the Better than Bouillon beef paste.


Calories: 286kcal | Carbohydrates: 11g | Protein: 37g | Fat: 9g | Saturated Fat: 5g | Cholesterol: 92mg | Sodium: 921mg | Potassium: 839mg | Fiber: 1g | Sugar: 5g | Vitamin A: 865IU | Vitamin C: 48.3mg | Calcium: 65mg | Iron: 4.3mg