
1 ¾ cups (200 g) powdered sugar
3 large egg whites, room temperature
¼ cup (50 g) granulated sugar
½ tsp peppermint extract
A few drops of red or green gel food coloring (optional)
½ cup (115 g) unsalted butter, softened
1 ½ cups (180 g) powdered sugar for buttercream
1–2 tbsp heavy cream or milk for buttercream
Pinch of salt