Mexican Oaxacan Pizza

Name: Mexican Oaxacan Pizza
Cuisine: Mexican, Latin American, American
Ingredients: For the Tlayuda Base; 4 large tlayuda tortillas (or large, thin corn tortillas); 1/4 cup lard (or vegetable oil); 1 cup refried black beans; 1/2 tsp ground cumin (optional); 200g (7 oz) Oaxacan cheese (or mozzarella), shredded; 200g (7 oz) cooked chorizo or tasajo (grilled beef), thinly sliced; 1 avocado, sliced; 1/2 cup fresh cilantro, chopped; 1 tomato, thinly sliced; 1/2 red onion, thinly sliced; 1/4 cup salsa or pickled jalapeños (optional); Salt and pepper to taste