Miss kay's lemonade cake

Yellow cake mix (sugar, enriched bleached flour (wheat flour, niacin, iron, thiamin mononitrate, riboflavin, folic acid), partially hydrogenated soybean oil, egg white, egg yolk with sodium silicoaluminate, nonfat milk, leavening (baking soda, sodium aluminum phosphate, monocalcium phosphate), propylene glycol, mono and diesters of fatty acids, dextrose, modified tapioca starch, mono and diglycerides, salt, sorbitan monostearate, tetrasodium pyrophosphate, xanthan gum, sodium stearoyl lactylate, polysorbate 60, calcium acetate, maltodextrin, soy lecithin, guar gum, cellulose gum, artificial flavor, yellow 5, red 40), water, eggs, sugar, cream cheese (pasteurized milk and cream, cheese culture, salt. stabilizers [carob bean and/or xanthan and/or guar gums]), butter (pasteurized cream, salt) vegetable oil, lemon filling (water, sugar, dextrose, modified food starch (corn), partially hydrogenated soybean and cottonseed oils), contains 2% or less of the following : sodium citrate, citric acid, lemon puree, salt, natural and artificial flavor, sorbic acid, agar agar, yellow 5, yellow 6, blue 1, lemon extract.