Why? Because you can! And pickle, and jam, or otherwise celebrate the resurgence of the domestic arts our forebears held so dear. Put on your best apron and step into our kitchen, won't you?
Easy process for DIY tomato paste: roast tomato pulp in a wide flat pan to make tomato paste. No salt added, so low-sodium. May be canned in a water bath for 4 or 8 oz jars. May be frozen.