Lemon zest filled cupcake

Cake base (sugar, enriched flour [wheat flour, niacin, iron, thiamin mononitrate, riboflavin, folic acid], soybean oil, modified corn starch. contains 2% or less of: whey, leavening [sodium acid pyrophosphate, baking soda], salt, sorbitan monostearate, nonfat milk, vital wheat gluten, polysorbate 60, xanthan gum, guar gum, mono and diglycerides, natural flavor, soy flour, egg), lemon filling (water, sugar, modified food starch, palm & soybean oil, dextrose, natural flavors, citric acid, turmeric, sodium citrate, gellan gum, agar-agar, salt), powdered sugar (sugar, cornstarch), unsalted butter, whole eggs, water, cream cheese (pasteurized cultured milk and cream, whey, salt, tara gum and guar gum), canola oil, lemon zest, yellow curls (sugar, cocoa butter, whole milk powder, whey powder, lactose, soy lecithin, natural vanilla, carrot oil), lemon juice, natural flavor, lemon oil, corn starch, natural vanilla extract.