dinnerMegan VanDykeMarch 22, 2015pizza, onions, mushrooms, fontina cheese Caramelized Onion and Mushroom Flatbread Rustic, loaded with great ingredients, every bite of this pizza is perfect. Sweet caramelized onions, creamy fontina cheese, and a crispy chewy herbed crust. dinnerMegan VanDykeMarch 22, 2015pizza, onions, mushrooms, fontina cheese