INGREDIENTS
1/2 tsp
baking soda
1/4 tsp
salt
2 cups
all-purpose flour
1/2 cup
unsalted butter, softened
2/3 cup
light brown sugar, packed
1/4 cup
granulated sugar
1 tbsp
vanilla extract
1
egg
1/4 cup
unsalted butter, softened
2 cups
powdered sugar
2 tsp
lemon zest
1 tbsp
milk
2 tsp
lemon juice