INGREDIENTS
1 1/4 cups
Blueberries
1
Egg
1 1/4 tsp
Baking powder
1/2 cup
Brown sugar, packed
3/4 tsp
Cinnamon
1 1/2 cups
Flour
3/4 cup
Powdered sugar
1/2 cup
Sugar
1 tsp
Vanilla extract
4 tbsp
Butter
6 tbsp
Butter, salted
5/16 cup
Milk
1/4 cup
Sour cream