The main ingredient in potato chips is, unsurprisingly, potatoes. Potatoes are sliced thinly and then fried or baked until they reach their signature crispy texture. The process typically involves using starchy varieties of potatoes, which contribute to the chip's crunchiness. After frying or baking, potato chips can be seasoned with various flavors such as salt, vinegar, cheese, or barbecue, making them a popular snack around the world. Potato chips originated in the 19th century and have since evolved into countless variations, catering to diverse palates and dietary preferences.