2 (17 oz.) cans sweet potatoes, drained and mashed
1/2 c. sugar
2 eggs
1 tsp. vanilla
1/3 c. milk
1/4 c. butter, melted

Topping:

2/3 c. packed brown sugar
1/3 c. flour
1/3 c. butter
1/2 c. finely chopped nuts

Combine sweet potatoes, sugar, eggs, vanilla, milk and melted butter. Beat with electric mixer until smooth. Spoon into a greased 2-quart baking dish. For Topping: Combine brown sugar, flour, butter and nuts. Sprinkle over top of casserole.

Bake at 350°F for 30 minutes.