01 - Set oven temperature to 400°F (200°C).
02 - In a large skillet over medium heat, cook ground beef for 2 to 3 minutes, breaking it apart with a spoon.
03 - Add diced onion and minced garlic to the skillet; cook until softened, about 3 minutes.
04 - Stir in cumin, chili powder, smoked paprika, salt, and black pepper. Cook for 1 minute until fragrant.
05 - Add tomato paste and water; reduce heat and simmer for 4 to 5 minutes until the mixture thickens slightly. Remove from heat.
06 - Spread tortilla chips evenly on a large baking sheet or ovenproof platter.
07 - Scatter drained black beans over the chips, then evenly spoon the beef mixture on top.
08 - Sprinkle shredded cheddar and Monterey Jack cheeses evenly across the beef and beans.
09 - Place in preheated oven and bake for 8 to 10 minutes until cheese is melted and bubbly.
10 - Remove from oven and top with desired garnishes such as sour cream, avocado, tomato, red onion, cilantro, jalapeño, and lime wedges. Serve immediately.