Slow Cooker Cheese Steaks

4 Sep


  • 2 pounds beef tri tip steak
  • 1 cup beef stock
  • 1 tablespoon red wine vinegar
  • 1 tablespoon Worcestershire sauce
  • 2 teaspoons olive oil
  • 1 large onion, sliced
  • 1 large green pepper, sliced
  • 8 ounces sliced fresh mushrooms
  • 12 slices white American cheese
  • 6 French or Italian sandwich rolls, split


Place beef in the slow cooker crock.
Pour beef stock, vinegar, and Worcestershire over beef.
Cook on Low until beef is cooked to medium, 3-4 hours.
Remove cooked beef from broth and set aside. Reserve broth.
Preheat an oven to 350 degrees F (175 degrees C).
Heat oil in a large skillet over medium-high heat.
Cook mushrooms in oil until they begin to soften; add onion and green pepper.
Cook and stir until vegetables are soft, about 5 minutes.
Slice beef thinly.
Divide beef and vegetables evenly among the rolls.
Top each sandwich with 2 slices cheese; wrap in foil.
Place sandwiches in preheated oven and heat until cheese is melted; about 10 minutes.
Serve hot sandwiches with reserved beef broth, if desired.


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