Lemon Bar Delicate, Sweet, and Tangy Lemon Filling at Op a Buttery Shortbread Crust, Garnished with Confectioners' Sugar, Lemon Bar

lemon creme filling (water, corn syrup, sugar, food starch - modified, lemon juice concentrate, contains 2% or less of the following: butter [pasteurized cream, salt, cellulose gum, sodium citrate, fruit juice, salt, sodium benzoate, citric acid, enriched wheat flour (wheat flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folicacid, bleached enriched wheat flour (bleached wheat flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid, margarine (palm oil, water, soybean oil, salt, soy lecithin, sodium benzoate, citric acid, natural and artificial flavor, beta carotene, vitamin a palmitate, vitamin d3, sugar, butter (pasteurized cream, donut sugar (dextrose, modified corn starch, palm oil, artificial color, calcium propionate, artificial flavor, concentrated butter oil, baking powder (sodium acid pyrophosphate, sodium bicarbonate, corn starch, monocalcium phosphate, salt, sodium propionate, artificial flavor