Iced Chocolate Pound Cake

Cake mix (sugar, enriched flour bleached [wheat flour, niacin, iron, thiamine mononitrate, riboflavin, folic acid], cocoa processed with alkali, food starch-modified, soybean oil, mono and diglycerides, whey, leavening [baking soda, sodium aluminum phosphate], vital wheat gluten, salt, sorbitan monostearate, calcium acetate, sodium stearoyl lactylate, nonfat milk, guar gum, xanthan gum, polysorbate 60, natural and artificial flavor, soy flour, egg), egg, water, powdered sugar (sugar, cornstarch), semi-sweet chocolate chunks (sugar, chocolate liquor, cocoa butter, chocolate liquor processed with alkali, soy lecithin, salt), chocolate chips (sugar, chocolate liquor, cocoa butter, anhydrous dextrose, milk fat, soy lecithin), soybean oil, sugar, glycerin, vegetable shortening (palm and canola oil), palm and palm kernel oil, potassium sorbate preservative, cocoa powder (processed with alkali), natural flavor, corn syrup, whey powder, nonfat milk, cocoa powder, lactose, guar gum, cocoa powder processed with alkali, soy lecithin, sodium benzoate preservative, methyl paraben preservative, propyl paraben preservative.