Broccoli Casserole - cooking recipe

Ingredients

1/2 c. celery
2 Tbsp. diced onion
3 Tbsp. butter
1 pkg. frozen broccoli
1 c. cream soup
1/2 c. semi-cooked rice
cheese to taste

Preparation

Mix all ingredients together.
Add cheese, if desired.
Bake at 350\u00b0 for 30 minutes.
Serve hot.