INGREDIENTS
for the cookies
1 cup
unsalted butter, at room temperature
1/3 cup
confectioner's sugar
3/4 cup
cornstarch
1 cup
all-purpose flour
for the frosting
2 tbsp
unsalted butter, at room temperature
1 cup
confectioner's sugar
1 tsp
vanilla extract
cream or milk to thin
grated chocolate for garnish