Leave whole or halve the tomatoes. Add bottled lemon juice or citric acid to jars. See instructions under Acidification . Add 1 teaspoon of salt per quart to the jars, if desired. For hot-pack products, add enough water to cover the tomatoes and boil them gently for 5 minutes.
Fill jars with hot tomatoes or with raw peeled tomatoes.
Adjust lids and process. Procedure Wash tomatoes. Dip in boiling water for 30 to 60 seconds or until skins split, then dip in cold water. Slip off skins and remove cores. Leave whole or halve the tomatoes.