1 can corned beef
1/2 c. mayonnaise
1/2-3/4 c. milkonion, chopped
1 tomato
1 or 2 lbs. fresh spinach

Bake in flat pan. Layer corned beef, onions and spinach. Mix mayonnaise and milk. Pour over top. Add chopped tomato. Cover with foil. Bake for 1 hour or until spinach is done.