INGREDIENTS
1/2 cup
softened butter
1 cup
sugar
1
egg
1 tsp
vanilla extract
1/3 cup
sour cream
2 tbsp
lemon juice
1 tbsp
lemon zest
1/2 tsp
salt
1/2 tsp
baking soda
2 cups
all-purpose flour
1/2 cup
softened butter
1
tsp vanilla
2 tbsp
milk
2 tbsp
lemon juice
1 tbsp
lemon zest
4 cups
powdered sugar