01 - Preheat oven to 400°F.
02 - In a mixing bowl, toss the shredded chicken with buffalo sauce until evenly coated.
03 - Spread tortilla chips in an even layer across a large oven-safe platter or baking sheet.
04 - Distribute the buffalo chicken evenly over the tortilla chips.
05 - Sprinkle shredded cheddar and mozzarella cheeses evenly over the top.
06 - Bake for 10 to 12 minutes until the cheese is fully melted and bubbling.
07 - Remove from the oven and top with sliced green onions, diced tomatoes, crumbled blue cheese if desired, and jalapeño slices.
08 - Drizzle ranch or blue cheese dressing over the nachos and serve immediately.