Ingredient:

• 2 large green peppers, sliced
• 1 large sweet onion, sliced
• 1 tablespoon olive oil
• 2 packages (12 ounces each) Hawaiian sweet rolls
• 1-1/2 pounds sliced deli roast beef
• 12 slices provolone cheese
• 3/4 cup butter
• 1-1/2 teaspoons dried minced onion
• 1-1/2 teaspoons Worcestershire sauce
• 1 teaspoon garlic powder