Food & Cooking Want to Try Canning? Here's How to Sterilize and Seal Jars the Right Way These techniques will make the process easier and safer. By Martha Stewart Editors Martha Stewart Editors Facebook Instagram Twitter Website An article attributed to "Martha Stewart Editors" indicates when several writers and editors have contributed to an article over the years. These collaborations allow us to provide you with the most accurate, up-to-date, and comprehensive information available.The Martha Stewart team aims to teach and inspire readers daily with tested-until-perfected recipes, creative DIY projects, and elevated home and entertaining ideas. They are experts in their fields who research, create, and test the best ways to help readers design the life they want. The joy is in the doing. Editorial Guidelines Published on February 13, 2011 Share Tweet Pin Email Forget about the mystique surrounding canning. Familiarizing yourself with a few basic techniques and precautions turns the task at hand into a far simpler undertaking than you'd ever imagined. Success comes by following an easy formula: Use the best produce you can find and make sure the jars are properly sterilized and sealed. Related Water Bath Canning vs. Pressure Canning: Which Method Is Best to Process Your Jams, Pickles, and Preserves? How to Sterilize Jars Don't use jars with any chips or cracks. Wash the jars, lids, and screw bands in hot, soapy water, making sure to rinse well.Place the jars upright on a wire rack in a large pot, fill pot with hot water until the jars are submerged, and bring the water to a boil. Boil for 10 minutes, turn off the heat, and leave jars in the water. Sterilize the lids according to the manufacturer's instructions.Using stainless-steel tongs, lift the jars from the pot, and place them on a padded layer of clean towels. The Best Canning Supplies How to Seal Jars Pour fruits or vegetables into the jars, and wipe the rims carefully. Each jar should be filled up to a 1/4 inch from the top. Eliminate air bubbles by poking through the contents of the jar with a chopstick or wooden skewer. Place the lid onto the rim and, using one finger to hold the lid securely, twist on the screw band until it's tight. Put a wire rack on the bottom of a large pot, and fill the pot with hot water. Use a jar lifter to place each jar on the rack. Add enough water to cover the jars by 2 inches, and bring the water to a boil. Boil the jars for 10 minutes; remove from the water with a jar lifter, and allow the jars to stand on the towels for 24 hours. When the jars are cool, check for a slight indentation in the lid, which indicates a vacuum seal. Was this page helpful? Thanks for your feedback! Tell us why! Other Submit