INGREDIENTS
3 cups
Blueberries
1 tsp
Lemon, zest
4
Eggs, large
1/2 cup
Blueberry jam
2 3/8 cups
All-purpose flour
2 tsp
Baking powder
4 cups
Confectioner's sugar
3/4 tsp
Lemon extract, pure
1 tsp
Lemon extract
1 tsp
Salt
1 1/2 cups
Sugar
2 tsp
Vanilla extract
1 cup
Butter, unsalted
1 cup
Butter
3/4 cup
Milk
1/2 cup
Sour cream