Your secret-recipe barbecue sauce, marinara sauce and inexperienced tomato chutney will all final for months when correctly canned. Food Reference. "Marinara Sauce." Undated. Canning Food. "Canning Tomatoes." Undated. If you are undecided how you need to use your tomatoes later, peel and seed a batch, process the pulp in a blender or meals processor and freeze the essential sauce in ice cube trays. Freezing - When you've a huge tomato harvest, freeze some for use over the winter months. A trace of garden goodness will enhance most of your winter recipes, and that is a simple solution to do it. Canning - Although canning isn't as fashionable because it used to be, it's an important way to preserve tomato-based mostly dishes over the winter. New type stress canners are making traditional canning a lost art that has some real enchantment for contemporary cooks who don't want to spend all day watching a pot boil. Presto. "Pressure Canning Fruits and Tomatoes." Undated.