Chicken and Zucchini Mole

Name: Chicken and Zucchini Mole
Ingredients: 1 small onion, cut into quarters; 3 cloves garlic, peeled; 1 oz. dried guajillo or pasilla chiles, stems and seeds discarded; 3 tbsp. roasted almonds; 1 can fire-roasted diced tomatoes; 1/2 tsp. dried oregano; 1/2 tsp. ground cinnamon; 13 corn tortillas; 1 c. lower-sodium chicken broth; 1 tbsp. vegetable oil; 1 lb. zucchini, cut into thin half-moons; 1 lb. boneless, skinless chicken breasts, cut into 1/2-inch chunks; 1 oz. semisweet chocolate, chopped; 1/2 tsp. salt; 3 scallions, thinly sliced