Foster Clarks Cake Mix Strawberry which makes it quick and easy to bake marvellous cakes for friends and family. It’s so much easier to make them at home. You could turn your kitchen into a diner. Plus. with 8-12 servings. if you think chocolate is the perfect food. this cake is for you--sultry and rich. with semisweet frosting. This delightfully moist chocolate cake made with the Foster Clarks Cake Mix Strawberry is sure to make your birthday and special occasions plan sweeter.