Half chocolate iced marble cake

SUGAR, ENRICHED FLOUR BLEACHED (WHEAT FLOUR, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, HIGH OLEIC SOYBEAN OIL, HYDROGENATED SOYBEAN AND COTTONSEED OIL, COCOA (PROCESSED WITH ALKALI), CONTAINS 2% OR LESS OF THE FOLLOWING: SOYBEAN AND PALM OIL, EGG WHITES, EGG YOLK, CORN SYRUP, CORN STARCH, LEAVENING (BAKING SODA, SODIUM ALUMINUM PHOSPHATE, MONOCALCIUM PHOSPHATE), NONFAT MILK, SALT, MODIFIED TAPIOCA STARCH, DEXTROSE, EMULSIFIERS (PROPYLENE GLYCOL MONO AND DIESTERS OF FATTY ACIDS, MONO AND DIGLYCERIDES, SORBITAN MONOSTEARATE, SODIUM STEAROYL LACTYLATE, POLYSORBATE 60), TETRASODIUM PYROPHOSPHATE, XANTHAN GUM, CALCIUM ACETATE, GUAR GUM, NATURAL AND ARTIFICIAL FLAVOR, CAROB POWDER, CELLULOSE GUM, MALTODEXTRIN, DICALCIUM PHOSPHATE, SOY FLOUR, SORBIC ACID (PRESERVATIVE), SOY LECITHIN, CHOCOLATE, RED 40, YELLOW 5.