Duck Donuts Thailand is an American cake donut shop on the second floor of Siam Discovery in Bangkok. Donuts are made to order, with choices ranging from plain and cinnamon sugar to bacon, chocolate, coconut, and peanut butter toppings. An americano and a donut can be ordered together, and the donut is iced and packed for takeout right after ordering. The chocolate and peanut butter toppings are strongly sweet and heavy.