Philly Cheese Steak Sandwiches with Garlic Aoli

I love a great steak on the grill. But my true love for steak comes in the form of a sandwich! Steak sandwiches are a great way to use the more economical cuts of steak like a round, flat-iron, and flank steaks, which can be tougher when grilled as they are leaner and more muscle-y….