Chocolate lover's cake mix with chocolate frosting mug cakes

Frosting: sugar, invert sugar, canola oil, palm oil, water, cocoa powder (alkalized), corn syrup, less than 2% of: mono and diglycerides, salt, corn starch, natural flavor, polysorbate 60, potassium sorbate (preservative), citric acid. cake mix: sugar, wheat flour, cocoa powder processed with alkali, palm and palm kernel oil, wheat starch, leavening (baking soda, monocalcium phosphate, sodium aluminum phosphate), salt, eggs, cocoa powder, natural flavor, soy lecithin, whey.