INGREDIENTS
1 1/2 cups
Blueberries
1
Egg plus, large
1 tbsp
Baking powder
1/3 cup
Brown sugar, light packed
1 tsp
Cinnamon, ground
3 7/8 cups
Flour
1 1/2 cups
Granulated sugar
1/4 tsp
Nutmeg, ground
1/2 tsp
Salt
2 tsp
Vanilla extract, pure
12 tbsp
Butter, unsalted
1/3 cup
Sour cream, full-fat
3/4 cup
Whole milk