INGREDIENTS
4 tbsp
Lemon, zest
2
Eggs, large
5 tbsp
Lemon juice, fresh
1 1/2 cups
All-purpose flour
2 tsp
Baking powder
3 cups
Powdered sugar
3/4 tsp
Salt
1 tsp
Vanilla extract
1 cup
White sugar
1/2 cup
Butter, unsalted
3 tbsp
Milk
1/4 cup
Sour cream
3/4 cup
Unsalted buter (, softened)