1 1/2 lb. hamburger
Onion
Salt and pepper
Zucchini, peeled and cut up
1 box cheese croutons
1/2 box sour cream
1 can cream of mushroom soup

Brown hamburger; season with onion, salt and pepper; drain. Put 1/2 in baking dish. Add zucchini; add rest of hamburger. Put 1/2 box of cheese croutons on top. Mix together sour cream and soup; pour on top. Add rest of croutons. Bake 1 hour at 350 degrees. May need to cover with foil if browns too fast.