Royal Icing requires around 45 minutes from start to finish. One portion of this dish contains approximately 1g of protein, 0g of fat, and a total of 237 calories. This gluten free, dairy free, fodmap friendly, and vegetarian recipe serves 4. Head to the store and pick up confectioners' sugar, equivalent amount of egg whites, lemon juice, and a few other things to make it today. It works well as a frosting.
In a large bowl, combine the sugar, egg white, and lemon juice. With a wooden spoon, mix the ingredients together until the icing is thickened and smooth, about 2 minutes. The icing will keep up to 2 days in an airtight container in the refrigerator; before using, beat it with a fork. Stir in very small amounts of water if it seems too thick. This recipes yields enough icing for 2 to 4 dozen cookies.