Directions and processing times for tomatoes and tomato products were re-evaluated for safety in the late 1980s. The updated directions were published in 1994 in the USDA Complete Guide to Home Canning.
Additionally,Do you have to heat tomatoes before putting them in jars?
Do not just heat the tomatoes or tomato product and pour the hot product into the jars, add the lids, and wait for the lids to “pop” without any further processing. Even though the jars may seal, the contents inside the jars have not been heated adequately to destroy harmful spoilage organisms.
In this regard,What’s the best way to acidify tomatoes before canning?
Do acidify the tomatoes. To assure a safe acidity level, add bottled lemon juice or citric acid to each jar before processing. Place 2 tablespoons bottled lemon juice or ½ teaspoon citric acid crystals in the bottom of each quart jar before filling with the tomato product. Use half those amounts when canning in pint jars.
In respect to this,What are the do’s and don’ts for canning tomatoes?
Canning Tomatoes: Do’s and Don’ts Although tomatoes have a tangy acidic taste, precautions must be taken to can tomatoes safely as they are considered borderline between a high and low acid food. Save For Later Print
Can you substitute Tomatoes for stewed tomatoes in a recipe?
Diced tomatoes are a good substitute for stewed tomatoes as it involves chopping pieces of tomatoes into almost similar sizes. These diced tomatoes can then be placed in a pot or fry pan, add diced onion and pepper, and the essential ingredients.