The process involves preparing apples and a mixture of thickening agents, spices, and sweeteners, then preserving this combination in sterilized jars for later use in pies or other desserts. This method extends the shelf life of fresh apples and allows for convenient baking year-round.
Creating a shelf-stable apple filling offers numerous advantages. It provides a readily available ingredient for baking, reduces food waste by preserving seasonal fruit, and allows for customization of flavors to suit individual preferences. Historically, canning was a vital technique for food preservation, ensuring access to nutritious ingredients throughout the year, especially in regions with distinct growing seasons.