¼ cup cotija cheese, crumbled, plus more for serving ¼ cup crushed tortilla chips 2 tablespoons chopped fresh cilantro leaves and tender stems, plus more for serving 1¼ teaspoons kosher salt 1 teaspoon ground cumin 1 teaspoon dried oregano 1 large egg 1 4.5-oz. can chopped green chiles ¼ cup plus 2 Tbsp. sour cream, divided 1 pound ground beef chuck 1 tablespoon canola oil 1 11-oz. jar salsa verde 1 jalapeño, thinly sliced, for serving Lime wedges, for serving