2-3 med. squash, cooked and drained
1 sm. onion, diced
2 pieces cheese, diced
1 can cream of chicken soup, undiluted
1/2 c. sour cream
1 stick butter, melted
3/4 of (8 oz.) pkg. herb dressing

Melt butter and add dressing. Put half of mixture in bottom of casserole dish. Mix other ingredients. Pour over dressing. Add rest of dressing. Bake at 350 degrees for 20-25 minutes.