Squash Casserole - cooking recipe

Ingredients

3 lb. squash, stewed and drained
1 large onion
salt and pepper
1 stick margarine
1 pkg. Pepperidge Farm dressing
1 can mushroom soup
1 c. grated cheese (1/4 c. on top)

Preparation

Bake at 350\u00b0 for 35 minutes.