INGREDIENTS
For the topping:
1/3 cup
brown sugar
1/2 cup
all-purpose flour
1 tsp
cinnamon
1/4 cup
butter
For the batter:
2 cups
all-purpose flour
2 tsp
baking powder
1/2 tsp
salt
3/4 cup
granulated sugar
1/4 cup
butter
1
large egg
1 tsp
vanilla extract
1/2 cup
buttermilk
2 cups
fresh or frozen blueberries