A corn chip or tortilla chip is a snack food, of which maize (corn) is the main ingredient, as well as vegetable oil, salt and water. The original recipe has its origins in Mexico in fried tortilla chips. Although now available worldwide, the United States is one of the main markets for corn chip products. Potato chips or crisps are one of the main competing snack foods. In the U.S. the term corn chip usually refers not to tortilla chips but to reprocessed corn snacks like Fritos.
Corn chips can be cooked and used in a variety of ways. A more basic form consists of plain or seasoned chips (such as CCs or Doritos), which may be "dipped" in a salsa, or other dip. This is the essential and often free appetizer in Tex-Mex cuisine. Quite commonly the chips may be served in "nacho" form, where the corn chips are assembled in a dish with toppings such as sour cream, salsa dip, melted cheese and guacamole.
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