Philly Cheesesteak | Mama's Cooking

Ingredients

• 1 (2 1/2-3-pound) sirloin steak
• 4 tablespoons vegetable oil, divided
• 1 sweet yellow onion, halved and thinly sliced
• 1 red bell pepper, thinly sliced
• 1 green bell pepper, thinly sliced
• 1 teaspoon all-purpose seasoning
• 1 teaspoon garlic pepper
• 8 hoagie rolls
• 6 tablespoons butter, softened
• 7 slices provolone cheese