Classic vanilla cupcakes with sri lanka buttercream DessertVery Easy50 min Send this recipe to a friend Print this page Ask a question to the author Post your photo of this recipe Ingredients 8 3 C A P flour 2 ½ tsps Baking powder ¼ tsp salt 8 oz butter, room temp 1 ¾ C sugar 5 egg yolks at room temp 2 tsps Vanilla extract 1 ½ C milk, room temp 5 egg whites ¼ tsp cream of tartar 3 cups confectioners' sugar 1 cup butter 1 teaspoon vanilla extract 1 to 2 tablespoons whipping cream View the directions