Topping: http://sweetkatskitchen.blogspot.com/2010/07/blueberry-crumb-pie.html
You might need to buy:
- Fresh Blueberries
- FILLING
- Sugar
- All Purpose Flour
- Salt
- Eggs
- Sour Cream
- pie crust
- TOPPING
- packed light brown sugar
- quick cooking oats
- all-purpose flour
- ground cinnamon
- ground nutmeg