Mary's Sweet Potato Casserole

3 c. sweet potatoes, mashed
2 eggs
1 c. sugar
1/3 c. milk
1/2 c. butter, melted
Topping:
1 c. brown sugar
1 c. chopped nuts
1/2 c. flour
1/3 c. butter, melted

Combine all of casserole ingredients and place in sprayed dish. Combine ll topping ingredients and place on top of first layer. Bake at 350 for 30-35 minutes.