Sliced Steak and Mushroom Sandwiches – Rachael Ray

Ingredients

• Extra virgin olive oil (EVOO), for drizzling
• 4 tablespoons butter
• 1 pound crimini mushrooms, sliced
• Sea salt and pepper
• 2 shallots, finely chopped
• 1 tablespoon fresh thyme leaves, chopped
• 1/2 cup Marsala or dry sherry
• 1 cup beef stock
• 1 1/2 pounds flank steak, at room temperature
• 4 ciabatta rolls, split
• 2 large cloves garlic, halved