Sweet Potato Pudding

3 c. sweet potatoes, peeled nd cooked
1/2 c. sugar
3 eggs
1/2 c. evaporated milk
1/4 c. butter
1 Tbsp. vanilla

Topping:
1/2 c. brown sugar
1/4 c. flour
1/4 c. butter
1/2 c. chopped pecans
2 c. mini marshmallows
Mash sweet potatoes with other ingredients. Whip until smooth and fluffy. Put in 8X8 inch casserole pan. Mix topping ingredients (except marshmallows) and spread over potatoes. Bake at 350 for 30 mins. During the last few minutes of baking and marshmallows and cook until browned.