Sweet Potato Casserole

Filling
3 cups sweet potatoes (cooked and mashed)
1/3 cup brown sugar
1/2 tsp salt
1 tsp vanilla
1/3 stick butter

Top crust
1/2 cup brown sugar
1/3 cup all purpose gluten free flour (I like Domata Living Flour)
1 cup chopped pecans
1 stick butter

Heat oven to 375, and prepare a medium size casserole dish.
Mix filling ingredients by hand.
Pour into dish.
Combine top crust ingredients in a bowl.
Sprinkle over top of the filling mixture.
Bake 30 minutes.