1 (20 oz.) can pineapple slices
2 (17 oz.) cans yams, drained
1/4 c. flour
3 tbsp. brown sugar
1/2 tsp. cinnamon
1/8 tsp. salt
3 tbsp. butter
1/4 c. walnuts, chopped
1 c. miniature marshmallows

Drain pineapple, reserving 1/4 cup syrup. Line sides of 10 x 6 inch baking dish with pineapple, slightly overlapping; arrange yams in center. Pour pineapple juice over yams. Combine flour, brown sugar, cinnamon and salt. Cut in butter until mixture resembles coarse crumbs; stir in nuts. Sprinkle over yams. Bake at 350 degrees for 25 minutes. Top with marshmallows. Broil until lightly browned. Serves 6 to 8.