Lemon zing cupcakes

Icing sugar, sugar, water, enriched bleached wheat flour (wheat flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid), lemon flavored filling (water, sugar, modified cornstarch, lemon juice concentrate, citric acid, xanthan gum, salt, sodium citrate, locust bean gum, carrageenan, sodium benzoate [preservative], artificial flavor, color [titanium dioxide, fd&c yellow #5, fd&c yellow #6]), shortening (canola, palm, modified palm and palm kernel oil, monoglycerides, polysorbate 60), egg, soybean and/or canola oil, corn syrup, modified cornstarch, whey (milk), skim milk powder, leavening blend (sodium acid pyrophosphate, sodium bicarbonate, cornstarch, monocalcium phosphate, calcium sulfate), soybean lecithin, wheat gluten, salt, butter (cream, salt), mono - and diglycerides, natural and artificial flavor, datem.