Ingredients: worcestershire, swiss cheese, butter, brioche, ground beef, beef broth, balsamic vinegar, brown sugar, bay leaf, parsley, olive oil, arugula, thyme, onion, garlic

Ingredients: worcestershire, swiss cheese, butter, brioche, ground beef, ketchup, herbes de provence, red onion, balsamic vinegar, dijon mustard, egg, smoked paprika, parsley, olive oil, thyme, butter lettuce