4 best sour frosting Recipes

butter, dark chocolate, chopped, caster sugar, vanilla essence, eggs, lightly beaten, plain flour, chopped pecan nuts, dark chocolate, chopped, sour cream

milk, instant coffee powder, unsweetened cocoa, sour cream, all-purpose flour, baking soda, baking powder, sugar, butter, softened (no substitutions), sugar, eggs, at room temperature, vanilla extract, salt, heavy whipping cream, vanilla extract, butter, softened, cut up (no substitutions)

butter or 3/4 cup margarine, softened, brown sugar, semisweet chocolate, grated, boiling water, eggs, baking soda, buttermilk, all-purpose flour, baking powder, vanilla extract, butter or 2 tbsp margarine, brown sugar, milk, milk, butter or 1/4 cup margarine, softened, unsweetened chocolate squares, melted, powdered sugar, sour cream, vanilla extract