How to Safely Freeze Liquids in Mason Jars

It’s that time of the year when our freezers are probably seeing a lot of action as tomato sauces, vegetable soups, and all kinds of seasonal bounties start making their way from the garden to the kitchen to — eventually — this winter’s dinner table. A severe lack of space in my own freezer means I’ve skipped my old standby of freezing whole cherry tomatoes in favor of tomato purees that are ready to spice up for homemade marinara sauce, soup, and ketchup.

And that brings up a question I’m o...