Rustic Ribeye on Ciabatta is a Tuscan-style sandwich with steak grilled to pinkish medium rare perfection, thinly sliced and layered with brown sugar caramelized onions, fresh spinach leaves, melted Muenster cheese and a pesto lime aioli.  It is all sandwiched between grilled garlic butter Ciabatta and will become an instant family favorite! So I don’t