Chicken, Mushroom, Broccoli, & Rice Casserole

by: For the Love of Cooking

1 TBSP olive oil
1/2 onion
1 lb. mushrooms quartered
1 stalk of celery diced
1 box of long grain & wild rice, prepared per instructions
3 cooked chicken breasts, cubed
1 cup of broccoli florets
1, 10 3/4 oz. can of cream of chicken soup
1, 10 3/4 oz. can cream of celery soup
1/4 cup mayonnaise
salt and pepper to taste

Preheat oven to 350 degrees. Prepare rice per instructions. In a heated pan add 1/2 TBSP oil and cook mushrooms until golden brown - remove from pan. Add the other 1/2 TBSP of oil to the pan and cook onions and celery until soft. Steam broccoli until fork tender, then cool. In large bowl, combine all ingredients and mix well. Put into a baking dish and heat uncovered for 30 minutes. Let cool for a few minutes prior to serving.