The Best Cookie Dough Icing Recipe References. Add the egg, flour, baking powder and raisins, if using, and continue to beat until the mixture becomes a uniform dough. Web it’s so easy to make this edible cookie dough frosting, it takes 10 minutes or less!
Be sure to let the flour cool completely before adding to the frosting or it will melt the butter. Mix in the eggs and vanilla for an additional minute. Cover the bowl and chill in the refrigerator for an hour.