INGREDIENTS
1 cup
Blueberries, fresh
1
Egg
3/4 tbsp
Lemon juice, fresh
1/2 tsp
Baking powder
1/2 tsp
Baking soda
1/2 cup
Brown sugar
1 1/2 tsp
Cornstarch
1 9/16 cups
Flour
3/4 cup
Granulated sugar
1/4 tsp
Salt
1/2 tsp
Vanilla
1/2 cup
Butter, unsalted
1/2 cup
Sour cream