Marble Iced Sliced Cake

sugar, enriched wheat flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid, eggs, soybean oil, water, semisweet chocolate chips, sugar, chocolate liquor, cocoa butter, dextrose, soy lecithin, salt, vanilla extract, butter, cream, natural flavor, buttermilk, bacterial culture, cocoa processed with alkali, food starch-modified, wheat starch, dry whole milk, leavening, baking soda, sodium acid pyrophosphate, monocalcium phosphate, whey, natural flavor, salt, soy lecithin, xanthan gum, citric acid, icing sugar, sugar, corn starch, citric acid, palm oil, natural flavor, palm oil shortening, corn syrup, guar gum, natural flavor, mono - and diglycerides