Squash Casserole - cooking recipe

Ingredients

3 lb. yellow squash, sliced
1 large onion, chopped
1 (8 oz.) carton sour cream
1 stick margarine
1 (18 oz.) pkg. Pepperidge Farm cornbread dressing

Preparation

Steam the squash and onion until done. Mash the squash and onion and mix everything (except the dressing) in the squash mixture. Pour into an 8 x 10-inch dish. Pour dressing on top. Bake at 350\u00b0 for 30 minutes.