Pre heat oven to 350 deg.
3 cups chopped cabbage
1 can cream of mushroom soup
3/4 cups sour cream
1/2 tsp. salt
1/4 tsp. pepper
Topping:
1 Cup bread crumbs
2 Tbls. butter
Pre-boil cabbage in salted water for 5 minutes. Drain.
Add soup, sour cream, salt and pepper. Toss lightly.
Place in a buttered casserole dish. Melt butte in a skillet, add bread crumbs, brown.
Place over cabbage. Bake at 350 deg. for 25 minutes.
Enjoy.
This is my way but there is an alternative I found at food.com that I found that sounds good too.