• Tomatoes - about 23-25 lbs to make 7 quarts of. tomatoes (of course, you can reduce the size of. batches) • lemon juice - bottled, about 1/2 cup (or citric acid--use 1/2 teaspsoon in each ...

I am dedicating this column to my cousin Kim Barrett, who passed away Aug. 20. Kim was an avid gardener, including working in her community garden in Columbus, Ohio.

Tomatoes are considered a high-acid food, so they can be water bath canned, which some see as the simpler of the two methods: water bath canning and pressure canning. However, tomatoes are on the edge ...

The U.S. Department of Agriculture (USDA) also recommends adding acidifiers, even to pressure canned tomato products. Check out the USDA Complete Guide to Home Canning for further safety guidelines.