Ingredients
- 1 1/2 pounds top round steak
- 2 green bell peppers, 1/2-inch slices
- 1 large onion, 1/2-inch slices
- 8 ounces mushrooms, quartered
- 1/4 cup extra-virgin olive oil
- 2 teaspoons garlic powder
- 2 tablespoons onion soup mix
- 2 tablespoons Worcestershire sauce
- 1 cup mayonnaise
- 1 teaspoon minced garlic
- 6 slices provolone cheese
- 6 sandwich rolls