Canning recipes are instructions for preserving food by sealing it in jars to extend its shelf life. This method involves cooking the food, placing it in sterilized jars, and then heating it to kill bacteria and create a vacuum seal. Common items for canning include fruits, vegetables, and sauces, allowing for year-round enjoyment of seasonal produce. To ensure safety and quality, it's important to follow tested canning recipes, often found in resources like Ball Canning Book or USDA guidelines. Proper techniques, such as using the right type of jar and processing time, help prevent spoilage and maintain flavor.