Tommi's Burger Joint is a hamburger restaurant in Marylebone, London, serving steak burgers and fries. Steak burgers can be ordered to a chosen doneness and come with Viking fries and several sauces. Burgers are cooked to the ordered doneness, and vegan and vegetarian burgers are also available, with a sauce station for choosing sauces. The portions of burgers and fries feel small.