INGREDIENTS
Cookies
3 1/2 cups
flour
1 1/2 tsp
baking soda
1/4 tsp
salt
3/4 cup
sugar
1 cup
unsalted butter, at room temperature
1
egg
1/2 cup
sour cream
1 tsp
vanilla
Frosting
1/2 cup
unsalted butter, at room temperature
2 cups
powdered sugar
2 tbsp
milk