01 - Set oven temperature to 400°F (200°C) to ensure ideal melting conditions.
02 - Arrange Doritos chips evenly across a large ovenproof platter or baking sheet lined with parchment paper for easier clean-up.
03 - Distribute the shredded cheddar and Monterey Jack cheese uniformly over the chip layer to promote even melt.
04 - Scatter black beans, diced red onion, tomato pieces, and jalapeño slices over the cheese to evenly integrate flavor and texture.
05 - Transfer the platter to the preheated oven and bake for 7 to 10 minutes, or until cheese is melted all over and bubbling.
06 - Remove nachos from the oven and immediately sprinkle with fresh chopped cilantro for brightness.
07 - Present hot nachos with sour cream, guacamole, and salsa on the side for dipping.