1Heat oven to 375°F. Line 2 cookie sheets with foil or cooking parchment paper.
2Place 2 tortillas on each cookie sheet. Sprinkle evenly with chiles and beans, leaving room in center of tortilla for egg. Break 1 egg into custard cup or small bowl; gently transfer from cup to center of 1 tortilla. Repeat with remaining 3 eggs. Sprinkle each tortilla with 2 tablespoons cheese.
3Bake 10 to 15 minutes or until whites and yolks are firm, not runny. Top with avocado. Serve immediately.