01 - Preheat oven to 400°F (200°C).
02 - In a medium bowl, toss the shredded chicken with Buffalo wing sauce until evenly coated.
03 - Arrange tortilla chips in an even layer on a large baking sheet or ovenproof platter.
04 - Evenly scatter the Buffalo chicken over the chips.
05 - Sprinkle cheddar and Monterey Jack cheese over the chicken.
06 - Add diced red onion, jalapeños (if using), and half the cilantro.
07 - Bake for 8–10 minutes, or until the cheese is melted and bubbly.
08 - Remove from oven. Top with blue cheese crumbles, diced tomatoes, dollops of sour cream, sliced green onions, and remaining cilantro.
09 - Drizzle with extra Buffalo sauce if desired. Serve immediately with ranch or blue cheese dressing on the side.