Rice Surprise - cooking recipe

Ingredients

1 stick butter, cut up
1 pkg. chopped spinach, thawed
1 can cream of mushroom soup
1 can Minute rice, using soup can as a measure
1 medium chopped onion
4 oz. grated Cheddar cheese

Preparation

In a 1-quart casserole, layer the ingredients in the order given.
Sprinkle with pepper.
Bake at 350\u00b0 for 45 minutes, stirring after 20 minutes.