Sweet Potato Delight

3 cups cooked mashed sweet potatoes
1 cup granulated sugar
2 eggs, well beaten
1 teaspoon vanilla
1/4 cup milk
1/2 cup butter

TOPPING
1 cup packed brown sugar
1/3 cup flour
1 cup chopped pecans
1/3 cup butter

Mix all ingredients together, except topping, and pour into a buttered casserole. Mix topping ingredients together and sprinkle over casserole.

Bake at 350 degrees for 30 minutes.