1 large can sweet potatoes or yams, drained
3/4 cup dark brown sugar
1/2 cup chopped walnuts
1/4 cup butter

Pour sweet potatoes in baking dish. Sprinkle the brown sugar and walnuts over the potatoes, then dot with dabs of butter.

Bake at 350° for 30 minutes.

Optional: Sprinkle with miniature marshmallows during last 5-7 minutes of baking, and bake until marshmallows are golden.