Sweet Potato Casserole

3 cups cooked sweet potatoes or yams (about 6 potatoes)
1/2 cup sugar
2 eggs
3/4 cup butter
1/2 cup canned milk
1 tsp. vanilla

Topping:
1 cup brown sugar
1/3 cup flour
1/4 cup butter 
1 cup chopped nuts, coarsely chopped

Mix upper ingredients together with mixer and put in baking dish, then mix topping and put on top of potato mixture. Bake at 350 degree for 45 minutes.