1 lg. can sweet potatoes or yams
1 stick butter
2/3 c. brown sugar
1 sm. pkg. miniature marshmallows
2 tbsp. cinnamon

Bring can of sweet potatoes to boil in saucepan; simmer until done. Drain broth off. Add butter, cinnamon, brown sugar. Mash potatoes. Put mashed sweet potato mixture in a baking dish and top with marshmallows. Put in a very hot oven long enough to brown marshmallows.