12 Steps to Canning Stewed Tomatoes Step 7, Boil Everything 10 Minutes After we have completed a batch, put all vegetables into a pot with some salt and sugar. Add salt and sugar to your taste. You can use neither if you wish. Bring it to a boil on medium heat, stirring constantly to prevent sticking. Boil for 10 minutes. ⇦ Back to Step 6 On to Step 8 ⇨Back to Stewed Tomatoes Page 2 |