Several tips for canning salsa safely

RBC I Salsa can be a fun way to preserve peak-of-season tomatoes to enjoy all year. Most salsa recipes are a tasty mixture of low-acid foods, such as onions and sweet and/or hot peppers, and acid foods, such as tomatoes.
For safety from botulism risk, tomato-vegetable mixtures require appropriate preservation methods depending on the proportions of tomato to all other vegetables. Use tested recipes to ensure proper acidification.
Use the amounts of each vegetable listed…