Red Enchilada Sauce

Name: Red Enchilada Sauce
Ingredients: 3 ounces dried ancho or guajillo chiles (about 10 chiles; see recipe note); 4 cups boiling water, chicken stock , or beef stock; 1 ( 14 - ounce ) can chopped tomatoes; 1 large white onion , peeled and cut into eighths; 6 cloves garlic , peeled; 2 teaspoons kosher salt , plus more to taste; 1 1/2 teaspoons dried oregano; 1 1/4 teaspoons ground cumin; 1/2 teaspoon ground cinnamon (optional); 1/2 teaspoon cocoa powder (optional); 1- 3 canned chipotle peppers (optional)