How much protein is there in In-N-Out Burger - Hamburger w/onion (With Mustard & Ketchup instead of Spread)?

100g of In-N-Out Burger - Hamburger w/onion (With Mustard & Ketchup instead of Spread) contains 6.6 g of protein. Thus, In-N-Out Burger - Hamburger w/onion (With Mustard & Ketchup instead of Spread) food is Average in protein.