Chicken Soup Casserole

Chicken Soup Casserole
1 (10.75 ounce) can condensed cream of chicken soup
1 (10.75 ounce) can condensed cream of celery soup
1 (10.5 ounce) can condensed chicken and rice soup
1 cup mayonnaise
1 tablespoon chopped onion
1 cup shredded boiled chicken breast meat
4 ounces buttery round crackers, crushed
Preheat oven to 300 degrees F (150 degrees C). In a large bowl combine the cream of chicken soup, cream of celery soup, chicken soup with rice, mayonnaise, onion and chicken meat. Mix together well. Pour mixture into a 10x10 inch casserole dish. Sprinkle crushed cracker crumbs over the top. Bake in the preheated oven for 30 to 35 minutes or until it starts to bubble.