Combine 1/2 cup flour, 1/2 cup packed brown sugar, 1/2 cup old fashioned or quick oats, uncooked, and 1 teaspoon cinnamon. Cut in 1/3 cup butter until mixture resembles coarse crumbs.

Toss 1 cup of crumb mixture with two 17-ounce cans of yams, drained, and 2 cups cranberries. Place in 1 1/2-quart casserole dish. Top with remaining crumbs. Bake at 350 degrees for 35 minutes.

Sprinkle with 1 1/2 cups Kraft miniature marshmallows. Broil until lightly browned. Makes 6 servings.