Chicken Chile Verde Burritos

Name: Chicken Chile Verde Burritos
Ingredients: 2 lbs. chicken (I used 3 boneless breasts); 8-10 tomatillos (approx. 1 lb.); 1 large poblano (or 2 smaller ones); 1-4 jalapenos; 1/2 onion; 4 garlic cloves; 15-20 sprigs cilantro; 1 tablespoon Mexican oregano; 1/2 teaspoon cumin (optional); 1/2 teaspoon salt (optional); freshly cracked black pepper; 6-8 flour tortillas, burrito sized; 1/2 lb. cheese (I used Jack); 2-3 cups cooked rice; lard, or bacon drippings (optional); 1 avocado; 4-5 sprigs cilantro; juice of 1 lime; 1/2 garlic clove; 1/4 teaspoon salt; 1/4 cup water