INGREDIENTS
1
Lemon, Zest of
1 pint
fresh blueberries
4
Eggs, large
2 tbsp
Lemon juice
2 1/8 cups
All-purpose flour
1 1/2 tsp
Baking powder
1 cup
Granulated sugar
1 tsp
Kosher salt
1 cup
Powdered sugar
1 tsp
Vanilla extract
1
Cooking spray
1 cup
Butter