Chicken and Rice Casserole

I've been making this since I was in highschool! It's hearty and delicious any time of year!

Chicken and Rice Casserole

4- 6 chicken breasts, cut up
1 can of cream of mushroom soup
1 can of cream of chicken soup
1 can of cream of celery soup
2-4 cups of rice, cooked
3 Tablespoons of butter

Preheat oven to 350F. Cook rice. In large bowl mix, rice, butter and all three cans of soup. Add chicken pieces. Pour into a large casserole dish. Add salt and pepper, as desired. Bake for 35-45 minutes or until chicken breasts pieces are cooked.