Philly Cheese Steak Skewers with provolone sauce Recipe

Ingredients

• 2 boneless rib-eye steaks (8 oz. each), cut into 1-inch pieces, seasoned with salt and black pepper
• ½ white onion, cut into 1-inch pieces
• 1 green bell pepper, cut into 1-inch pieces
• 16 small button mushrooms
• 1 hoagie roll, cut into 1-inch pieces
• Olive oil
• Salt and black pepper
• 2 Tbsp. unsalted butter
• 1 tsp. minced fresh garlic
• 2 Tbsp. all-purpose flour
• 1 ½ cups milk
• 1 tsp. Worcestershire sauce
• 4 oz. provolone cheese, shredded
• 2 oz. white American cheese, shredded