The primary ingredient in traditional nachos is tortilla chips. These crunchy chips are typically made from corn tortillas that are cut into triangles and fried or baked until crisp. Tortilla chips provide a sturdy base for various toppings, such as melted cheese, jalapeños, guacamole, salsa, and sour cream, making nachos a popular snack and appetizer. The beauty of nachos lies in their versatility, allowing for a wide range of toppings and flavor profiles that can cater to different preferences. They are often enjoyed in social settings, making them a staple at parties and sporting events.