Fatburger 10955 Kinross Ave, Los Angeles, CA90024 Fatburger offers its signature line of burgers and sandwiches, custom-made to order. Five different burger sizes are…More offered, from the 2.5 oz Baby Fat Burger to the 24 oz Triple King. Burgers are then customized with condiments, including mustard, relish, onions, pickles, tomato, lettuce and mayo. Customers also can add cheese, bacon, chili and egg to any burger. Other sandwiches include grilled or crispy chicken and turkey burger. The veggie burger uses a Boca patty. Fatburger is open late every night for an after-bar meal or an all-night study session. Customers eating in can play tunes on the juke box inside.