Ingredients:
- 3 large egg whites (about 100g / 3.5 oz), pasteurized
- 4 cups (480g / 17 oz) confectioners' sugar (icing sugar), sifted
- 1 teaspoon (5ml / 0.17 fl oz) vanilla extract
- 2-4 tablespoons (30-60ml / 1-2 fl oz) lukewarm water
- Optional: Food coloring gels
Instructions:
- In a clean mixing bowl, whisk the egg whites until they form soft peaks. Don't over-whip.
- Gradually add the sifted confectioners' sugar, one cup at a time, whisking on low speed until fully incorporated.
- Stir in the vanilla extract.
- Gradually add the lukewarm water, one tablespoon at a time, whisking until the icing reaches a smooth, pipeable consistency. Check for consistency.
- Divide the icing into separate bowls and tint with food coloring gels, stirring well (optional).
- Transfer the icing to piping bags or squeeze bottles fitted with your desired tips.
- Decorate your cookies as desired.
- Allow the icing to dry completely at room temperature, uncovered, for at least 1-2 hours, or until hard.