Broccoli Casserole - cooking recipe

Ingredients

2 (10 oz.) pkg. frozen broccoli
1 lb. cheese (onion or garlic flavor)
1 can mushroom soup
1/2 stick butter
1 onion, chopped
2 sticks celery, diced
8 oz. can mushrooms in butter

Preparation

Heat soup and cheese until melted.
Add 1 can of milk.
Saute onion and celery in butter.
Add all together in casserole dish. Put in 350\u00b0 oven uncovered for about 15 minutes.
Then cover for the rest of the time (10 minutes).