Beat the butter and sugar ... blueberries. Last of all, gently fold in the ... 375°F oven until cake tests done. Remove cake from ... sprinkle with granulated sugar.
Preheat oven to 350°F. Butter ... flour 2 round cake pans or 1 bread loaf ... confectioners' sugar; bring to a boil and allow to cool. Drizzle over cake.