3/4 cup(s) butter, softened |
1 1/2 cup(s) sugar |
4 eggs |
1 teaspoon(s) pure vanilla extract |
3 cup(s) all-purpose flour |
1 1/2 teaspoon(s) baking powder |
3/4 teaspoon(s) baking soda |
1/4 teaspoon(s) salt |
1 cup(s) (8 ounces) sour cream |
1/4 cup(s) packed brown sugar |
1 tablespoon(s) all-purpose flour |
1/2 teaspoon(s) ground cinnamon |
2 cup(s) fresh or frozen blueberries |
1 cup(s) confectioners' sugar |
2 to 3 tablespoon(s) 2% milk |