Yellow Mole Sauce

Name: Yellow Mole Sauce
Ingredients: 10 dried guajillo chiles, washed; 1⁄2 tsp. annatto seeds (achiote); 1 tsp. ground canela (Mexican cinnamon); 2 whole cloves; 1⁄2 tsp. cumin seed; 1⁄2 tsp. dry Mexican oregano, toasted; 1 tsp. Mexican saffron; 2 tbsp. corn oil; 10 cloves garlic, peeled; 1 white onion, peeled and quartered; 8 tomatillos, ripe and yellow, husked; 1 small ripe tomato; 4 yerba santa leaves; 6 cups Chicken Stock; 1⁄2-1 cups masa harina; 1⁄2 tsp. salt