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The Best Strong Royal Icing for Gingerbread House Glue and Decoration

Five perfectly piped white royal icing peaks, ideal for gingerbread house icing glue.
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This recipe provides a reliable royal icing that acts as strong glue for building your gingerbread house structure and pipes well for detailed holiday decorating.

Ingredients

Scale
  • 3 large egg whites (or 3 tablespoons meringue powder)
  • 4 cups powdered sugar, sifted
  • 1 teaspoon vanilla extract (optional)
  • 1/4 teaspoon cream of tartar (if using egg whites)

Instructions

  1. Prepare the Icing: If using egg whites, place them in a clean, grease-free mixing bowl. If using meringue powder, mix it with 3 tablespoons of water in the bowl until fully dissolved, then proceed.
  2. Beat the Whites: Beat the egg whites (or meringue mixture) with an electric mixer on medium speed until soft peaks form. If using cream of tartar, add it now.
  3. Incorporate Sugar: Gradually add the sifted powdered sugar, one cup at a time, beating well after each addition. Start on low speed to prevent the sugar from flying out, then increase to medium-high.
  4. Achieve Stiff Peaks: Beat the icing until it is very thick, glossy, and holds stiff peaks when the beaters are lifted. This consistency is crucial for structural support.
  5. Adjust Consistency for Use: For building the house (glue), the icing should be very stiff. For piping decorations, you may need to thin it slightly by adding 1/2 teaspoon of water at a time until it flows smoothly but still holds its shape when piped.
  6. Assemble the House: Use a piping bag fitted with a large round tip or a zip-top bag with the corner snipped off to apply thick lines of icing to join the gingerbread walls and roof pieces. Hold pieces in place for a minute or two until the icing sets slightly.
  7. Decorate: Use thinner icing for detailed piping work on the exterior of the structure.
  8. Drying Time: Allow the assembled house to dry completely, ideally for several hours or overnight, before adding heavy decorations or moving the structure. This strong gingerbread icing needs time to harden.

Notes

  • For the strongest gingerbread house glue, use the thickest possible consistency. It should be difficult to stir.
  • If the icing seems too thin for building, add more sifted powdered sugar, one tablespoon at a time.
  • If you prefer not to use raw egg whites, meringue powder is a safe and reliable substitute for making sturdy royal icing for gingerbread house building.
  • Store unused icing in an airtight container at room temperature for up to two days; it will stiffen, so you may need to beat in a few drops of water before reusing.

Nutrition

Find it online: https://cookingbyfelix.com/gingerbread-house-icing-glue-recipe/