Steak Hoagies with Peppers and Onions

Ingredients (8)

• 1 1/2 pounds sirloin steak, sliced thin
• 1 red pepper, sliced thin
• 1 green bell pepper, sliced thin
• 1 small sweet onion, sliced thin
• 2 tablespoons butter
• 4 slices Provolone cheese
• 4 soft Hoagie rolls
• Salt and pepper