Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1 1/2  pounds        beef round steak -- (up to 2 lbs), 1/2
                        -- inch thick
     1/4  cup           flour
     1/2  teaspoon      salt
     1/8  teaspoon      pepper
   1      medium        onion -- chopped
   1      clove         garlic -- minced
   2      large         green or red bell peppers -- cut in 1/2" strips
   1      16 oz can     whole tomatoes
   1      tablespoon    beef flavor base -- (paste or granules)
   1      tablespoon    soy sauce
   2      teaspoons     Worcestershire sauce
                        cooked rice

Preparation:

Cut steak into strips. Combine 1/4 cup flour, the salt and pepper; toss with steak strips to coat thoroughly. Add to Crock-Pot with onion, garlic and half of bell pepper strips; stir. Combine tomatoes with beef base, soy sauce, and Worcestershire sauce. Pour int Crock-Pot, moistening meat well. cover and cook on Low for 8 to 10 hours. One hour before serving, turn on High and stir in remaining green pepper strips. If thickened gravy is desired, make a smooth paste of 3 tablespoons flour and 3 tablespoons water; stir into Crock-Pot. Cover and cook until thickened. Serve gravy with Pepper Steak over hot fluffy rice.