German Chocolate Cake Frosting 1 Reviews By Anonymous recipe Comments | 0 Favorites | 41 Print Coconut Pecan Frosting for German Chocolate Cake. German Chocolate Cake Frosting Ingredients 1 cup evaporated milk1 cup brown sugar3 egg yolks1/2 cup butter1 teaspoon vanilla extract1 cup chopped pecans1 1/3 cups flaked coconut Instructions 1 In a large saucepan combine evaporated milk, brown sugar, egg yolks, butter and vanilla. Cook over low heat, stirring constantly, until thick. Remove from heat and stir in pecans and coconut. Let cool to room temperature before spreading on cake.