Ingredients
1/2 pound fresh mushrooms, sliced2 medium onions, thinly sliced1 medium green pepper, sliced2 tablespoons butter1 pound thinly sliced cooked roast beef6 hoagie rolls, split6 slices part-skim mozzarella cheese4 teaspoons beef bouillon granules2 cups water
Preparation
In a large skillet, saute the mushrooms, onions and green pepper in butter until tender. Divide beef among rolls. Top with vegetables and cheese; replace roll tops.
Place on an ungreased baking sheet; cover with foil. Bake at 350° for 15 minutes or until heated through. Meanwhile, in a small saucepan, combine bouillon and water; cook until heated through. Serve as a dipping sauce.