A food processor slicing attachment A mandoline slicer (be very careful!)
Use a candy thermometer to check the temperature of your oil. If you need to eyeball things because you don’t own a candy thermometer, stick the end of a wooden spoon into the oil and wait for bubbles to start forming at the end of the spoon. [2] X Research source Another way to check the temperature of oil without a thermometer is by frying a small cube of bread. Bread will turn a golden hue at 320° F after 30 seconds; 355° F after 15 seconds; and 375° F after 10 seconds. [3] X Research source
If you want to salt your potato chips, adding about 3 tablespoons of sea salt to the water you use to soak the potatoes in creates enough saltiness in the final product.