Combine the chicken breast, diced tomato, 1/2 chicken broth, chilli powder, salt and cumin. Make sure the chicken is covered. Cook on low for 3-4 hrs

Add rice, beans, corn, remaining chicken broth. Cook on low for 3-4 hrs. Stir once or twice in the last hour. Add broth if dry. Cooking is done when rice is done.

Shredded chicken and serve with optional toppings.