I found it
Ruben noodle bake
8 oz. egg noodles
5 oz. corned beef ( bite size pieces)
1 14oz. sauerkraut drained
2 c. shredded swiss cheese
1/2 c. thousand island dressing ( I didn't use)
1/2 c. milk
1 T. mustard
2 slices pumpernickle bread
1 T. butter
spray 9 x 13 pan. cook noodles, combine noodles, corned beef, sauerkraut & cheese. pour into pan.combine dressing, milk& mustard. spoon evenly over cassarole.
process bread into crumbs & combine with butter. sprinkle over cassarole
bake uncovered 25 -30 min. at 350