4 lg. sweet potatoes
1 sm. can crushed pineapple, drained
2 tbsp. butter
1 sm. pkg. miniature marshmallows

Peel and boil sweet potatoes until done. Mash potatoes with butter and then add strained pineapple. Put into a 2 quart casserole. Top with marshmallows, enough to cover top of potatoes. Bake for 30 minutes or until potatoes are hot and marshmallows brown. Bake in 325 degree oven.