INGREDIENTS
3/4 cup
unsalted butter, room temperature
1/2 cup
granulated sugar
1/4 cup
packed light brown sugar
1
egg
1 1/2 tsp
vanilla
2 cups
all-purpose flour
1/4 tsp
salt
1/2 cup
unsalted butter, melted
2 cups
powdered sugar
2 tbsp
spiced rum (or 1/4 teaspoon rum extract)
Ground nutmeg, for garnish