The Science of Water Bath Canning Water bath canning works by creating an environment that effectively eliminates harmful microorganisms and preserves your food.

Wash apples, cut into quarters, and remove the peel and core. (A countertop apple corer/peeler can be purchased for around $20; it's a good investment if you plan to make applesauce in quantity.

What is Pressure Canning? Pressure canning is like water bath canning’s big sister. It uses a special pot called a pressure ...