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A metal whisk attachment, covered in fluffy white royal icing, is held above a mixing bowl.

Royal Icing with Meringue Powder

This royal icing with meringue powder is the recipe I use for decorating sugar cookies. It dries smooth and firm enough to stack, but still has a soft bite when you eat it.
Prep Time5 minutes
Mixing Time10 minutes
Total Time15 minutes

Ingredients
  

  • 4 cups powdered sugar | 480g
  • 3 tablespoons meringue powder | 7g
  • 7 tablespoons water

Instructions

  • Sift the powdered sugar: Sift the powdered sugar into the bowl of your stand mixer.
    4 cups powdered sugar | 480g
  • Add the meringue powder: Add the meringue powder and whisk by hand until evenly combined with the powdered sugar.
    3 tablespoons meringue powder | 7g
  • Add water: Pour in the water.
    7 tablespoons water
  • Mix by hand first: Whisk until the sugar, meringue powder, and water are combined. This helps prevent dry clumps at the bottom of the bowl and keeps powdered sugar from flying when the mixer starts. Shake off any excess from the whisk.
  • Mix on medium speed: Attach the whisk attachment and mix on medium speed (about 6 on a KitchenAid) for 4 minutes.
  • Scrape the bowl: Stop the mixer and scrape down the sides and bottom of the bowl with a spatula.
  • Finish mixing: Continue mixing on medium speed for another 5 minutes, until stiff peaks form and the icing leaves defined lines in the bowl.
  • Store or use: Transfer the icing to an airtight container. Use as a base to color or adjust consistency, or refrigerate until ready to decorate.