Preheat and prep: Heat your oven to 400°F (205°C).
Line a large sheet pan with parchment for easier cleanup.
Mix the chicken: In a bowl, toss the shredded chicken with the BBQ sauce until evenly coated but not dripping. Add more sauce if needed, but keep it balanced so the chips stay crisp.
Build your base: Spread a solid layer of tortilla chips on the pan. Don’t pile them too high—an even layer helps everything melt and crisp.
First cheese layer: Sprinkle half the cheese over the chips.
This acts like tasty glue.
Add the toppings: Scatter the BBQ chicken, black beans, and corn evenly. Add red onion and jalapeño.
Top with more cheese: Sprinkle the rest of the cheese over everything for that classic nacho pull.
Bake: Bake 8–10 minutes, until the cheese is melted and edges of the chips are just turning golden. For extra bubbly tops, flip to broil for 1–2 minutes, watching closely.
Finish fresh: Remove from the oven.
Add tomatoes, avocado, cilantro, and green onions. Drizzle with sour cream or crema, plus a little extra BBQ sauce if you like.
Serve: Squeeze lime over the top and serve right from the pan while hot and melty.