Mix all above together. Pour into baking dish. Bake for 45 minutes then top with the follwing for top.
1 can crushed pineapple, do not drain 1cup sutgar 1 jar cherries, juice and all 3 tablesppons cornstarch approximately 1 tablesppon red food color. Mix all the above and cook 2 minutes untio thicknen. Stir constantly. Pour over potato cassarole. Put under broiler for 2 minutes.