Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
  1              small  onion -- thinly sliced
                        juice of two limes
  2             cloves  garlic -- minced
     1/2      teaspoon  oregano
     1/2      teaspoon  chili powder
     1/2      teaspoon  ground cumin
     1/2      teaspoon  coarsely ground pepper
  1              pound  boneless chicken breasts -- cut in thin strips
     1/2        medium  green pepper -- cut in 2x14-inch
                        strips
     1/2        medium  red bell pepper -- cut in 2x14-inch
                        strips
  4             8 inch  flour tortillas  (4 to 6 tortillas) -- warm
  1             medium  tomato -- chopped
                        sour cream

Preparation:

Place onion in crock-ett. Combine lime juice and seasonings in small bowl. Add chicken and toss to coat. Pour chicken and juice mixture over onion. Cover and cook 6-8 hours. Stir in green and red pepper strips 30 minutes before serving.

Nutritional Information:

121 Calories (kcal); 1g Total Fat; (8% calories from fat); 4g Protein; 27g Carbohydrate; 0mg Cholesterol; 33mg Sodium