Spicy Orange Chicken

4-6 boneless, skinless chicken breasts
2 tbl. olive oil
Salt
Pepper
1 large onion, halved and thinly sliced
1 large red pepper, cut into thin strips
4 cloves garlic, minced
1 tsp. finely shredded orange peel
1 c. orange juice
1/2 c. chicken broth
1/2 c. hot salsa
1 15 oz. can black beans, rinsed and drained
chopped avocado (optional)

In a large skillet, cook the chicken in the olive oil for about 15 minutes. Turning to brown evenly. Remove all chicken from the pan; sprinkle with salt and pepper. Set aside. Add onion, sweet pepper and garlic to the pan. Cook until the onion and pepper are just tender. Return the chicken to the pan. Add the orange peel, orange juice, chicken broth and salsa. Bring to boiling, reduce heat. Cover and simmer for 35-40 minutes, or until chicken is tender and no longer pink. Add beans to the mixture and heat through. Serve with chopped avocado.