Nachos are basically snacks, they originated from Mexico. They are prepared with tortilla chips and cheese sauce along with some toppings. Toppings used in nachos include vegetables, meat, salsa and sour cream. Lettuce, tomatoes, peppers, chilli and olives are most commonly used vegetable toppings. Nachos go very well as an appetizer as well. People also serve them with salads and various types of dips.