Classic Buttercream Frosting Cupcakes

cupcakes sugar, bleached enriched wheat flour flour, malted barley flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid, water, eggs, soybean oil, high fructose corn syrup, leavening sodium acid pyrophosphate, baking soda, monocalcium phosphate, sodium aluminum phosphate, aluminum sulfate, nonfat milk, food starch modified, salt, whey, soy lecithin, mono and diglycerides, polyglycerol esters of fatty acids, propylene glycol monoesters of fats fatty acids, xanthan gum, sodium carboxymethylcellulose, natural artificial flavor, potassium sorbate, yellow cupcake egg whites wheat starch, palm and or palm kernel oils, wheat protein, datem, polysorbate 60, glycerin, yellow 5 and 6, citric acid, sodium benzoate, carrageenan gum, chocolate cupcake cocoa, dextrose, sodium propionate, calcium sulfate, gum arabic, colored frosting sugar, vegetable shortening palm oil, soybean oil, mono and diglycerides, polysorbate 60, water, the following corn syrup, artificial color, salt, natural and artificial flavor, natural flavor, potassium sorbate and sodium benzoate, mono and diglycerides, guar gum, citric acid, water, sugar, us certified colors, modified corn starch, vegetable gum, citric acid, sodium benzoate and potassium sorbate