Fill a large pot half-way with water, bring to a boil. Gently add tomatoes one by one to boiling water.
Fill a clean sink or very large bowl with ice water
Boil tomatoes for 2 minutes. you will notice the skins starting to shrivel or crack. Remove tomatoes with a slotted spoon. And plunge tomatoes in ice water bath.
Peel and quarter the tomatoes
Prep all peppers and onions by cutting out stems, removing seeds, peeling onion skins, and use a food processor in batches to finely chop to desired chunkiness. Place chopped peppers and onions in electric roasting pan.
Combine peppers, onions, tomatoes, tomato paste, tamari, Worcestershire sauce, coconut sugar, salt, garlic, oregano, basil, pepper flakes, and bay leaves
Set roasting pan to a medium heat until hot, then reduce to a medium low heat and let simmer, stirring occasionally for about 5 hours.
check for desired thickness of sauce, and add lemon juice and vinegar and stir until well combined.
continue simmer for approximately 1 more hour or until desired thickness.
remove bay leaves, and if you desire a smooth sauce, use an immersion blender (stick blender) until smooth.
prep pressure canner on stove with 3 full quarts water and a splash of white vinegar and set to a medium heat to warm tap water.
ladle hot sauce into canning jars, leaving a 1/2 inch head space at the top. Make sure there are no air bubbles, and jars have been wiped clean before placing lids and rims.