Spicy Black Bean Tacos

Name: Spicy Black Bean Tacos
Ingredients: 4 cups dried black beans; 2 teaspoons cumin seeds; 1 teaspoon coriander seeds; 3 tablespoons avocado oil or vegetable oil; 1 medium-sized Vidalia onion, diced finely; 3 jalapeños, seeded and diced finely; 2 teaspoons chili powder; 2 cloves garlic, chopped finely; Sea salt, to taste; 8 corn tortillas; 8 ounces queso blanco or feta; 1/4 medium-sized cabbage, sliced thinly crosswise; One 16-ounce jar roasted tomato salsa or salsa of your choice; 1 medium-sized ripe avocado, halved, pitted, peeled and cut into ¼-inch-thick slices; Sprigs of cilantro, for garnish