steak sandwich recipe

Ingredients: 1 lb steak (ribeye, sirloin, or your preferred cut) 1 tablespoon olive oil Salt and pepper to taste 1 tablespoon unsalted butter 1 large onion, thinly sliced 2 cloves garlic, minced 1 bell pepper, thinly sliced 4 hoagie rolls or baguettes, split 4 slices provolone or Swiss cheese