Guatemalan Pepian de Pollo Chicken Stew

Name: Guatemalan Pepian de Pollo (Chicken Stew)
Ingredients: * 2 pound chicken, or chicken thigh and leg; * 4 cup chicken broth; * 1 1/2 teaspoon salt; * 1/2 chayote diced; * 5 medium sized roma tomato; * 3 medium tomatillo, husk removed; * 2 medium onion, skin on; * 4 large clove garlic, in skin; * 1/2 cup sesame seed; * 1/4 cup pepita (shelled pumpkin seed); * 2 stick canela (soft cinnamon stick); * 1/2 teaspoon red pepper flake or to taste; * 1 pasilla chile; * 2 guajillo chile; * 1 ancho chile; * 2 corn tortilla; * 1/2 teaspoon achiote powder or paste; * 1/4 teaspoon black pepper