Squash Casserole - cooking recipe

Ingredients

6 squash, cooked
1 medium onion, chopped fine
1 (8 oz.) carton sour cream
1 (8 oz.) pkg. grated Cheddar cheese
1 can cream of mushroom soup
1 can sliced mushrooms (small)
1 pkg. Pepperidge Farm herb dressing

Preparation

Drain squash well.
Mix all ingredients, except dressing and margarine.
Make alternate layers of squash and dressing, ending up with dressing on top.
Melt margarine and pour over the top. Bake for 30 minutes at 350\u00b0.
Servings for 8.