1/2 c. flour
1/2 c. oats, uncooked
1/3 c. butter
1 (16 oz.) can yams, drained
1/2 c. packed brown sugar
1 tsp. cinnamon
1 1/2 c. marshmallows
1 c. cranberries

Combine flour, brown sugar, oats and cinnamon. Cut in butter until mixture resembles coarse crumbs. Toss 1 cup of crumb mixture with yams and cranberries. Place in casserole, top with remaining crumbs. Bake at 350 degrees for 35 minutes. Sprinkle with marshmallows and warm until lightly browned.