- 1/4 cup warm water
- 1 tablespoon light corn syrup
- 1/4 teaspoon almond extract
- 3 cups confectioners' sugar, or more as needed
- Stir warm water, corn syrup, and almond extract together in a small bowl until corn syrup and extract have dissolved. Place confectioners' sugar into a separate bowl and add liquid ingredients. Beat with an electric mixer on low speed until royal icing is smooth. Store in a lidded container for up to a week; stir thoroughly before using.