A food dryer, also known as a dehydrator, is an appliance used to remove moisture from food items. This process helps preserve fruits, vegetables, herbs, and meats by inhibiting the growth of bacteria, yeast, and mold. Food dryers typically use warm air circulation to evenly dry the food, making it lightweight and shelf-stable for long-term storage. Using a food dryer is simple and efficient. Users can slice their chosen foods, arrange them on trays, and set the desired temperature and time. Popular items for drying include apples, bananas, and jerky. The result is a nutritious snack that retains most of the original flavors and nutrients.