Choriqueso Torta - Rick Bayless

Ingredients

• A 15- ounce can black beans, undrained
• Salt
• 4 telera rolls
• 1 tablespoon vegetable oil
• 8 ounces (about 1 cup) Mexican chorizo sausage, casing removed
• 1 small (4 ounce) white onion, chopped into small pieces
• A generous 1/2 cup mayonaisse
• 1 1/2 cups (6 ounces) shredded Mexican melting cheese (such as Chihuahua, quesadilla or asadero) or Monterey jack, colby or mild cheddar
• 1 avocado pitted, flesh scooped from the skin and sliced ¼-inch thick
• 4 to 6 pickled jalapeños, stemmed, seeded and thinly sliced
• About 3/4 cup roasted tomatillo salsa OR Mexican hot sauce like Tamazula or Valentina