Make your first summer barbecue memorable! This gourmet burger is perfect for a crowd. Layer on the flavor for the best burger you've ever had. A little kitchen hack will make your ground beef go even further. Tara Bench shares the recipe. She shares how to use flavorful mushrooms to get even more burgers made. She also shares how to make the best caramelized onions you've ever tasted, and why brie is a great cheese to top everything off.