INGREDIENTS
1
Lemon, zest
3 tsp
Lemon zest peel
1
Egg, large
1
Egg yolk
2 tbsp
Lemon juice
1 3/4 cups
All-purpose flour
1 tsp
Baking powder
1/2 tsp
Baking soda
3/4 cup
Granulated sugar
2 cups
Powdered sugar
1/4 tsp
Salt
1 1/2 tsp
Vanilla
11/16 cup
Butter
1
Milk
1 cup
Sour cream