1 (12 oz.) can corned beef (or cook and use 3-3 1/2 lb. corned beef)
1 qt. (2 sm. cans) sauerkraut, drained
2 c. shredded Swiss cheese
1 c. salad dressing (Hellmann's or Miracle Whip)
1/2 c. 1000 Island Dressing
2 tbsp. melted butter
1/2 c. bread crumbs

Place sauerkraut and crumbled beef in 9 x 13 inch glass pan. Mix dressings together and pour over top. Place shredded Swiss cheese on top of dressing. Melt butter and mix with bread crumbs and sprinkle over top of mixture. Bake for 45 minutes at 350 degrees. This can be made ahead and refrigerated.