Iced pumpkin cake with creamy filling cupcakes

Sugar, water, bleached enriched flour (wheat flour, malted barley flour, niacin, ferrous sulfate or reduced iron, thiamine mononitrate, riboflavin, folic acid), shortening (tallow, hydrogenated tallow, cottonseed oil, mono and diglycerides, polysorbate 60, soy lecithin), high fructose corn syrup, corn syrup, shortening (tallow, hydrogenated tallow) soybean oil, contains 2% or less: pumpkin puree, modified cornstarch, whey, cornstarch, egg, egg whites, natural and artificial flavor, nonfat dry milk, salt, inulin, calcium carbonate, sodium acid pyrophosphate, calcium sulfate, baking soda, guar gum, yellow 5 lake, yellow 6 lake, blue 1 lake, dextrose, defatted soy flour, sorbic acid and potassium sorbate (to retain freshness), glycerin, sodium stearoyl lactylate, creme cheese flavor, agar, color, mono and diglycerides, calcium caseinate, sodium caseinate, soy protein isolate, xanthan gum, titanium dioxide (color), cellulose gum, palm oil, monocalcium phosphate, locust bean gum, soy lecithin, enzymes, sodium phosphate, sunflower oil, triglycerides, sunflower lecithin.