Crumble topping:

4 ½ c flour
3 tsp baking powder
1 ½ c sugar
3 eggs
1 1/8 c oil
1 ½ t vanilla extract
Mix together

For filling:

8 c blueberries, fresh (or 4 bags frozen)
2 t corn starch
3 T sugar
cinnamon and sugar to sprinkle on top
Mix together

Instructions

Press ½ of the crumble topping into a wide bottom or deep dish pie shell. Add blueberries. Top with the other half of the crumble mixture. Sprinkle with cinnamon and sugar.
Bake in 350 degree oven for 45 minutes. Put something under the pie as it may drip in the oven. Serve with pareve ice cream or whipped topping.