Lettuce-Wrapped Grilled Swiss and Bacon Beef Burger with Barley Slaw

A gourmet burger recipe gets lightened up by using lettuce instead of a burger bun. Served with a fresh yet hearty coleslaw accented with barley, grainy mustard and fresh dill, this dinner will satisfy a hungry appetite. Easily transform this recipe into a gluten-free option by using cooked quinoa instead of the barley.