INGREDIENTS:
3 pounds sweet potatoes
1/2 cup butter or margarine
1/2 cup firmly packed,
  brown sugar
1/4 cup sugar
2 teaspoons vanilla extract
1/2 teaspoon ground cinnamon
1/2 teaspoon ground nutmeg,
  (optional)
Marshmallows

DIRECTIONS: 
Scrub sweet potatoes and cook in
boiling water covered for 40 to 
50 minutes, or until fork-tender.  
Drain and rinse under cold water
to stop cooking process; drain on
paper towels. Peel when cool enough
to handle; mash with butter. Beat
in next 5 ingredients with an 
electric mixer (or by hand).

Spread in shallow greased 1-1/2 
quart baking dish and bake in a 
preheated 350 degree oven for 20 
minutes. Cover with marshmallows;
bake 10 to 15 additional minutes
or until marshmallows are melted
and lightly browned.

Yield: 6 to 8 servings