Chocolate Cake with icing

100 g pitted prunes 3/4 cup apple juice 1/4 teaspoon bicarbonate of soda 1 cup self-raising flour 1/2 cup cocoa powder 4 egg whites 1/2 cup caster sugar 2[...]

1 (18 1/4 ounce) betty crocker chocolate cake mix, prepare with 3 eggs 1 1/4 cups water or 1 1/4 cups milk 1/3 cup vegetable oil 2/3 cup sour cream 1 (40 g)[...]

1 box duncan hines devil's food cake mix 1 (4 ounce) package instant chocolate pudding mix 4 large eggs 1 1/4 cups water 1/2 cup vegetable oil 1/2 can betty[...]