Cookies & creme brownie dessert bar

brownie base (sugar, bleached enriched flour [wheat flour, niacin, iron, thiamine mononitrate, riboflavin, folic acid], palm oil, corn syrup solids, cocoa [processed with alkali], soybean oil, contains 2% or less of: artificial flavor, caramel color, cornstarch, defatted soy flour, egg whites, leavening [baking soda, sodium aluminum phosphate], nonfat milk, red 40, salt, soy lecithin), white creme icing (sugar, palm oil, high oleic sunflower and/or canola oil, water, hydrogenated cottonseed oil, cornstarch, contains 2% or less of: artificial flavor, citric acid, mono - and diglycerides, polysorbate 60, preservatives [potassium sorbate, sorbic acid], salt, titanium dioxide [color], water, white icing (sugar, water, corn syrup, palm oil, high oleic sunflower and/or canola oil, contains 2% or less of: hydrogenated cottonseed oil, invert sugar, mono - and diglycerides, natural and artificial flavor, polysorbate 60, preservatives [sodium propionate, sorbic acid], salt, soy lecithin, soybean oil, titanium dioxide [color]), cookie pieces (unbleached enriched flour (wheat flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid), sugar, palm and/or canola oil, cocoa [processed with alkali], high fructose corn syrup, leavening [baking soda and/or calcium phosphate], salt, soy lecithin, chocolate, artificial flavor), corn syrup.