chicken and rice casserole

Ingredients For chicken and rice casserole

• 3 c

  diced cooked chicken
• 1 md

  onion,diced and sauteed
• 8 oz

  water chestnuts,drained and chopped (1can)
• 14 1/2 oz

  french green beans,rinsed and drained (2 cans)
• 4 oz

  pimentos,rinsed and drained (1can)
• 10 3/4 oz

  condensed cream of celery soup (1can)
• 1 can

  mayonnaise
• 6 oz

  uncle ben's long grain and wild rice, cooked according to package directions (1box)
• 1 c

  grated sharp cheddar cheese