Thick with blueberries, this streuselencrusted cake is delicious for breakfast or dessert. An easy blueberry crumb cake made with fresh blueberries and a brown sugar topping. Bake this cake and serve as a snack cake or coffee cake. Buckle is a rich, dense dessert thats made with seasonal fruit, cake batter, and a streusel topping. Its popular in New England. What makes our BlueberryRaspberry Buckle wicked good A buttery, moist and tender cake chock full of fresh blueberries and raspberries bursting with juicy summer.