1/2 c. flour
1/2 c. brown sugar
1/2 c. oatmeal
1 tsp. cinnamon

Mix together and cut in 1/2 cup butter. Mix as for pie crust to make crumb mix. Toss 1 cup mixture, 2 (17 oz.) cans yams, 2 cups of whole cranberries (canned). Place in buttered casserole. Spread remaining crumb mixture on top. Bake at 350 degrees for 35 minutes. Remove from oven. Sprinkle miniature marshmallows on top. Return to oven until marshmallows are golden brown.