Ingredients: ground beef, red onion, brown sugar, dijon mustard, bread, gruyere, balsamic vinegar, lettuce, extra virgin olive oil, rosemary, red wine, tomato, garlic

Ingredients: ground beef, red onion, brown sugar, dijon mustard, worcestershire, cheddar, tomato sauce, paprika, garlic powder, carrot, olive oil, apple cider vinegar, bell pepper, sweet potato, scallion

Ingredients: ground beef, red onion, brown sugar, dijon mustard, bread crumbs, milk, bread, lettuce, zucchini, cucumber, red wine vinegar, tomato relish, egg, mayonnaise, parsley, tomato, thyme, onion, chili flake

Ingredients: ground beef, red onion, brown sugar, dijon mustard, worcestershire, sharp cheddar, bread, tomato sauce, peppercorn, rice wine vinegar, extra virgin olive oil, coriander, smoked paprika, tomato paste, whisky, mustard seed, onion, sugar, garlic, baking soda