Mary's Sweet Potato Casserole with Coconut

2 c. mashed sweet potatoes
1 c. sugar
1/2 t. salt
2 eggs
1/2 stick butter
1 t. vanilla
1/2 t. cinnamon
1/2 t. nutmeg
Topping:
1 c. coconut
1 c. brown sugar
1 c. chopped nuts
1/2 stick butter

Combine all of casserole ingredients and place in sprayed 2 qt. baking dish. Combine all topping ingredients and place on top of first mixture. Bake at 300 for 35 minutes.