01 - Set the oven temperature to 400°F (200°C) to prepare for baking.
02 - Warm olive oil in a skillet over medium heat; add chopped onion and sauté until softened, approximately 2 to 3 minutes. Incorporate minced garlic and cook for an additional 30 seconds.
03 - Add ground beef to the skillet, breaking it apart with a spatula. Cook until fully browned, about 5 to 6 minutes. Drain excess fat if required.
04 - Mix in ground cumin, smoked paprika, chili powder, salt, and black pepper. Continue cooking for 1 to 2 minutes until fragrant, then remove from heat.
05 - Spread half of the tortilla chips evenly over a large oven-safe baking tray or platter. Distribute half of the beef mixture, half of the shredded cheeses, and half of the sliced jalapenos over the chips.
06 - Layer the remaining tortilla chips, beef mixture, shredded cheeses, and jalapenos over the first layer.
07 - Place the assembled nachos in the preheated oven and bake for 8 to 10 minutes, or until the cheese is melted and bubbling.
08 - Remove from oven and top with sour cream, guacamole, chopped cilantro, diced tomato, and sliced black olives as preferred.
09 - Serve immediately while hot for optimal enjoyment.