01 - Set oven to 400°F for optimal cheese melting.
02 - Heat skillet over medium heat. Add ground beef and cook 3-4 minutes, breaking apart with a spoon until crumbled and browned.
03 - Mix in chopped onion and minced garlic. Sauté until onions soften and beef is fully browned, approximately 3 minutes. Drain excess fat if necessary.
04 - Stir in cumin, smoked paprika, chili powder, salt, black pepper, and half the sliced jalapenos. Cook 1-2 minutes to blend flavors. Remove from heat.
05 - Arrange tortilla chips in a single even layer on a large baking sheet or oven-safe platter.
06 - Distribute the seasoned beef mixture evenly over the tortilla chips.
07 - Sprinkle cheddar and Monterey Jack cheeses generously over the beef. Top with remaining jalapeno slices.
08 - Bake for 7-8 minutes until cheese is fully melted and bubbly.
09 - Remove from oven. Top with diced tomatoes, spring onions, and fresh cilantro. Serve immediately with sour cream and lime wedges on the side.