INGREDIENTS
1 cup
(2 sticks, 8 ounces) unsalted butter, at room temperature
1 cup
granulated sugar
1 1/2 tsp
peppermint extract
1 tsp
vanilla extract
1 tsp
baking powder
1/2 tsp
kosher salt
1
large egg
2 3/4 cups
all-purpose flour
1 tsp
liquid red food coloring
1
egg white
2 tbsp
sparkling sugar