INGREDIENTS
2 tbsp
water
1 tbsp
cornstarch
2 cups
blackberries (fresh or frozen)
1/2 cup
granulated sugar
1 cup
water
2 cups
all purpose flour
1 1/2 tsp
baking soda
2 tbsp
sugar
1/2 tsp
salt
2 tbsp
melted butter
1
egg
1 tsp
vanilla
2 cups
buttermilk
2
egg whites
non-stick cooking spray