Step 1

Place chicken in a slow cooker, and season with pepper and 1/4 tsp. salt. Top with 1/2 cup cilantro.

Step 2

Add all remaining ingredients except yogurt, avocado, and remaining cilantro. Stir well.

Step 3

Cover and cook on high for 3 - 4 hours or on low for 7 - 8 hours, until chicken is fully cooked.

Step 4

Transfer chicken to a large bowl. Shred with two forks -- one to hold the chicken in place and the other to scrape across and shred it.

Step 5

Return shredded chicken to the slow cooker, and mix well.

Step 6

Top each serving with 1 tbsp. cilantro, 1 tbsp. yogurt, and 1/2 oz. (about 2 tbsp.) avocado.