Grandma's Sweet Potato Pone

4 med sweet potatoes, (boiled, cooled and skinned)
( Microwaving is fine )
3/4 stick of butter
1/2 - 3/4 cup sugar (your choice)
1/4 tsp salt
3 eggs, slightly beaten
1/4 cup flour 1/4 cup milk
1 -2 Tbsp vanilla
1 cup mini marshmallows garnish

Mashed skinned sweet potatoes, add butter mix.
Blend in the sugar, salt, eggs, milk and vanilla mix til smooth.
Add flour blend again. Pour into baking dish.
Bake 350* 30 minutes' add marshmallows bake till light brown.