Dutch Apple PIe

This is such a super easy and delicious pie that everyone should try it at least once.  And once you've
tried it, I guarantee you will make it again.  It doesn't require any pie dough making ability...not even a rolling pin!  You just make the crumb topping, use part of it for the crust--which you just pat into the pan, fill it will apples and filling and sprinkle the rest of the crumb topping over the apples.  Doesn't get much easier than this!

Crust and topping:
2 c. flour
1 c. brown sugar
3/4 c. melted butter
1/2 c. oats
Mix all together well.  Reserve one cup.  Pat the remainder into a pie pan.

Filling:
2/3 c. sugar
3 t. cornstarch
1 1/4 c. water
3 c. sliced apples
1 t. vanilla
1 t. cinnamon

Mix sugar, cornstarch, and water in a saucepan.  Bring to a boil and whisk until the mixture thickens.
Add the vanilla and cinnamon.  Pour over sliced apples and combine well.  Then pour this mixture into the pie pan over the crust.  Sprinkle the reserved 1 c. crumb topping over the top.
Bake at 350 for 45 minutes.