INGREDIENTS
3/4 cup
unsalted butter, at room temperature
3/4 cup
brown sugar
1/4 cup
sugar
1
egg
2 tsp
vanilla extract
2 cups
all purpose flour
2 tsp
cornstarch
1 tsp
baking soda
1/2 tsp
salt
1 1/4 cups
semi-sweet chocolate chips
1 stick
unsalted butter, softened
1/2 tsp
vanilla extract
2 cups
powdered sugar
salt
1 tbsp
heavy cream or milk