Gourmet Burger Kitchen (GBK)

Gourmet Burger Kitchen (GBK) is a burger restaurant in London that serves blue cheese burgers and classic beef burgers. Habanero burgers, truffle cheese fries, onion rings, garlic sauce, and shakes are also available to order. Signing up for the GBK app gives a free side menu item, and the store is spacious. The interior does not echo sound, so conversation is easy, and the chairs are comfortable.