INGREDIENTS
2 cups
Blueberries, fresh or frozen
1
Egg, large
1 tbsp
Lemon juice
1/2 tsp
Baking powder
2 tbsp
Cornstarch
2 cups
King arthur all-purpose flour, Unbleached
7/8 tsp
Salt
2 tbsp
Sparkling sugar, white
1/3 cup
Sugar
1 cup
Butter, unsalted
1/2 cup
Sour cream