1 (10.75 ounce) can condensed cream of celery soup
2 tablespoons butter
1 ½ cups Italian-seasoned bread crumbs
Preheat oven to 350 degrees F (175 degrees C).
Mix cabbage, Cheddar cheese, onion, cream of celery soup, and butter in a large bowl. Mixture will be dry. Transfer to a large baking dish, spreading vegetables evenly; sprinkle with breadcrumbs. Cover baking dish with aluminum foil.
Baked in preheated oven for 45 minutes and remove foil. Continue baking until bubbly and lightly browned, about 15 minutes more.