Broccoli Casserole - cooking recipe

Ingredients

1 medium onion, chopped
2 boxes frozen broccoli, thawed and drained but not cooked
3/4 jar Cheez Whiz
2 c. cooked rice
1 can mushroom soup

Preparation

Mix together and bake at 350\u00b0 for 20 minutes, covered, and 20 minutes, uncovered.