Preheat the oven to 375°F (190°C)
Spread tortilla chips on a baking sheet
Sprinkle shredded cheese over the chips
Add cooked ground beef, shredded chicken, or beans if desired
Add sliced jalapeños, diced onions, or chopped tomatoes if desired
Bake for 5 to 10 minutes until the cheese melts
Remove from the oven
Top with sour cream, guacamole, salsa, or chopped cilantro if desired
Serve immediately