Chile Colorado Tamales

Name: Chile Colorado Tamales
Ingredients: 4 cups beef broth, plus more if needed; 4 ancho chiles, seeded and stemmed; 5 guajillo chiles, seeded and stemmed; 1 medium yellow onion, quartered; 4 cloves garlic, peeled and smashed; 2 tablespoons dried Mexican oregano; 1 1/2 teaspoons ground cumin; 1 teaspoon smoked paprika; 2 avocado leaves; Kosher salt; 3 pounds beef chuck, cut in 1-inch chunks; 2 tablespoons cornstarch; 3 tablespoons grapeseed oil; 1 dried bay leaf; 4 pounds fresh banana leaves; 6 cups masa harina; 1 tablespoon ground cumin; 2 teaspoons kosher salt; 1 teaspoon baking powder; 1 teaspoon garlic powder; 1 cup lard or tallow; 6 cups beef or vegetable broth