INGREDIENTS
2 cups
Blueberries
1
Lemon, Zest of
1
Egg yolk, large
1 tbsp
Lemon juice, freshly squeezed
1 1/2 cups
All-purpose flour
1/2 tsp
Baking powder
2 tsp
Cornstarch
1/4 tsp
Salt
3/4 cup
Sugar
1 1/2 tbsp
Turbinado sugar
1 tsp
Vanilla extract
1/2 cup
Butter, unsalted