overview opening hours Mr.HotDoG is a popular Letná eatery specialising in authentic American street food. The menu features hot dogs, French fries, sliders (mini burgers) and milkshakes, with the meat and sausages sourced from the Amaso butcher’s. You can customise your basic hot dog yourself — as well as the classics such as ketchup, mustard, onions and Cheddar, there’s also a wide selection of sauces to choose from. You can wash it down with a margarita, which is just as famous as the local hot dogs. Every year, the bistro also organises a fun street hot dog eating competition. opening hours january—december mon—sun 11:30—22:00 more about opening hours opening hours january—december mon—sun 11:30—22:00