43 chocolate butter upside cake Recipes

rhubarb , cut into 1/2-in. slices (2 cups), granulated sugar, good-quality white chocolate such as callebaut, chopped, unsalted butter, at room temperature, egg whites, at room temperature, vanilla extract, cake flour, baking powder, salt, milk, whipping cream, rosemary sprig (5 in .), granulated sugar, lemon juice, light brown sugar, rhubarb , split lengthwise and cut into 2-in. pieces

unsalted butter, cut into 4 pieces, light brown sugar , tightly packed, fresh blueberries, grated lemon zest, all-purpose flour, double-acting baking powder, salt, unsalted butter, softened, sugar, eggs, at room temperature, pure vanilla extract, unsweetened coconut milk, white chocolate, coarsely chopped (callebaut is preferred)