3 cups cooked yellow rice
3 cups uncooked white rice
1 (15 ounce) can black beans
1 (4.5 ounce) can sliced and diced celery with liquid
1 tablespoon lemon juice
1 teaspoon rice wine vinegar
1 teaspoon water
In a large rice cooker, bring rice, rice, beans, and celery with water to a boil, reduce heat, cover, and cook just until al dente.
Stir rice, beans, chicken into onion soup. When rice is cooked, stir in celery and lemon juice. Reduce heat a little, then add vinegar and water.
Cover, and simmer for 4 hours.