Mole without back dressing broth

1/4 onion , minced 1 green bell pepper , seeded and diced 1 serrano pepper, seeded and minced 2 teaspoons vegetable oil 1 (14 1/2 ounce) can chopped tomatoes[...]

1 tablespoon oil 1 1/2 lbs boneless skinless chicken thighs , cut into 3/4-inch pieces 1 medium onion , chopped 1 medium green bell pepper , chopped 2 garlic[...]

1600 g chicken , parts separated 2 garlic cloves , asados 3 cloves 8 black peppercorns 600 g tomatillos 2 serrano peppers 6 tablespoons pork fat 2 cups cold[...]