Ingredients: ground beef, bread, lemon, red onion, lettuce, sharp cheddar, egg, olive oil, mustard powder, tomato, garlic, chipotle in adobo, poblano pepper

Ingredients: ground beef, bread, lemon, red onion, lettuce, greek yogurt, butter, brown sugar, carrot, tomato, avocado, chile pepper, garlic, canola oil

Ingredients: ground beef, bread, lemon, red onion, lettuce, prosciutto, canned anchovy, canned tuna, ground pork, parmesan, ricotta, extra virgin olive oil, egg, parsley, olive oil, onion, garlic

Ingredients: ground beef, bread, lemon, red onion, lettuce, worcestershire, bread crumbs, butter, horseradish, ketchup, balsamic vinegar, shallot, marjoram, red wine, egg, mayonnaise, parsley, olive oil, tomato paste, confectioners’ sugar, cognac, mustard, cayenne