Wash tomatoes wells. Discard over-ripe fruit or those with bruises.
Cut off stem ends and cut tomatoes into large chunks. Heat tomatoes to boiling; stirring frequently. Add remaining ingredients. Reduce heat and simmer 15 to 30 minutes until tomatoes are very soft, stirring occasionally.
Fill blender 3/4 full with cooked tomatoes at a time; blend at high sped until tomatoes are very juicy but not pureed. Alternatively, press tomatoes through a sieve to discard seeds and skins or put through a tomato strainer (such as a Vittorio).
Ladle sauce into clean canning jars leaving 1/2" headspace. Wipe rims clean using a damp paper towel. Adjust 2 piece caps.
Process in a boiling water bath canner for 45 minutes.