Image of Sensational Steak Sandwich

Sensational Steak Sandwich

Prep Time: 30 min
Cook Time: 260 min

Ingredients

  • 2 tablespoons olive oil
  • 1 pound thinly sliced sirloin steak strips
  • 8 ounces sliced fresh mushrooms
  • 1 green bell pepper, seeded and cut into strips
  • 1 medium onion, sliced
  • 10 slices provolone cheese
  • 1 loaf French bread
  • 1 (14 ounce) can beef broth
  • ½ teaspoon salt
  • ½ teaspoon ground black pepper
  • ½ teaspoon garlic powder
  • 2 tablespoons Worcestershire sauce
  • ⅛ teaspoon red pepper flakes
  • ¼ cup Pinot Noir or other dry red wine
  • ½ cup prepared horseradish
  • ½ cup brown mustard