Paleo Canning Tips and Tricks including 25 Easy and Delicious Recipes Canning is a method of preserving the flavour of the food by heating it in hot jars to prevent it from spoiling naturally. Canning foods can be a great way to eliminate preservatives and additives in your diet and to ensure that you have enough produce throughout the year. Some people also opt to can their excess produce rather than throw it away. Canning food and even home cooked meals are also more economical than buying pre-packed food in the market. Paleo diet discourages the use of any preservative or eating food that...