Discover the best royal icing recipe for sugar cookies that hardens beautifully in 2-4 hours! This easy, food-safe icing uses simple pantry ingredients to create a smooth, glossy finish perfect for decorating. Achieve stiff, medium, and flood consistencies for stunning designs. Ideal for Christmas, birthdays, or any occasion, this icing ensures stackable, vibrant cookies that stay fresh for weeks. Get the full recipe and tips now!
