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The Best Foolproof Royal Icing Recipe Using Meringue Powder

A clear glass bowl filled with perfectly stiff, bright white royal icing recipe mixture.

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Make smooth, glossy royal icing perfect for decorating sugar cookies and gingerbread houses using stable meringue powder. This recipe provides clear steps for achieving piping and flood consistencies.

Ingredients

Scale
  • 4 tablespoons meringue powder
  • 6 tablespoons warm water
  • 4 cups confectioners’ sugar, sifted
  • 1 teaspoon vanilla extract or clear vanilla extract
  • 1/4 teaspoon cream of tartar (optional, for stability)

Instructions

  1. In a large bowl, whisk together the meringue powder and warm water until the mixture is frothy, about 1 minute.
  2. Add the sifted confectioners’ sugar and cream of tartar (if using) to the bowl.
  3. Using an electric mixer with a whisk attachment, start mixing on low speed until the sugar is incorporated.
  4. Increase the speed to medium-high and beat for 5 to 7 minutes until the icing is very thick, white, and holds stiff peaks.
  5. Beat in the vanilla extract.
  6. To achieve piping consistency, add water one teaspoon at a time until the icing holds a soft peak that droops slightly.
  7. To achieve flood consistency, add water one teaspoon at a time until the icing flows smoothly off the whisk and the trail disappears into the bowl within 10 seconds.
  8. Use immediately or cover tightly with plastic wrap pressed directly onto the surface to prevent drying.

Notes

  • For outlining consistency, the icing should be thick enough to hold a defined line without spreading.
  • For a glossy finish, avoid over-mixing once the desired consistency is reached.
  • If the icing dries out, add a few drops of water and mix gently to restore the texture.
  • This icing dries firm and hard when left at room temperature for several hours.

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