What ingredients are in your sugar cookies?
Vanilla bean cookie (Enriched wheat flour [Bleached wheat flour, malted barley flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid], unsalted butter [cream, natural flavors], brown sugar, sugar, egg, vanilla bean paste [cane sugar, water, vanilla extract, vanilla bean seeds, gum tragacanth (a natural thickener)], salt.)
Royal icing (Powdered sugar [cane sugar, cornstarch], corn syrup [corn syrup, salt, vanilla extract], meringue powder [sugar, egg whites, gum arabic, ammonius alum, sodium alginate, food starch, salt, calcium lactate, and artificial vanilla flavor], vanilla extract.)
Cookies contain MILK, EGG, and WHEAT. 
Cookies and cakes are produced in a home kitchen, which is not allergen-free.