Shred or chop cabbage (we use our Ninja). Cook in boiling water until tender; drain well.
Pour into a greased 9 x 13 inch pan.
Spread cream of celery over cabbage; top with diced Velveeta.
Stir to mix cabbage, soup and cheese.
Sprinkle crushed crackers over top of casserole
Bake for 30 minutes at 350 degrees.