Boil together:

1 qt. cooked squash
1-2 onions, cooked

Drain and add:

8 oz. sour cream
1 can cream of chicken soup
1 bag cornbread Pepperidge Farm bread crumbs
1 stick melted butter

Mix above ingredients together. Place in greased casserole dish. Top with bread crumbs. Bake at 350 degrees for 30 minutes.