Phosphonate salts are the result of deprotonation of phosphonic acids, which are diprotic acids: Phosphonate esters are the result of condensation of phosphonic acids with alcohols. Several methods exist for the preparation of phosphonic acids and their salts.
1 Stir in the tomato sauce, tomato paste, vinegar, diced tomatoes, and brown sugar. Season with chili powder, Italian seasoning, and salt. Bring to a boil, reduce heat to low, and simmer 1 hour.  Mix the cornstarch and water, and stir into the salsa to thicken. Transfer salsa to sterilized jars, leaving 1/2 inch headroom, and seal. Process jars in a boiling water bath 15 minutes. Store unsealed jars in the refrigerator.
Instructions. Heat the oil in a pan over medium heat. Add the onion and garlic and cook until tender. Mix the dry ingredients until well combined and add to pan. Stir in the tomato sauce and canned chili peppers. Bring the sauce to a boil.Reduce heat, cover and simmer for an additional 10 minutes.Pour over food.eat the oil in a pan over medium heat. Add the onion and garlic and cook until tender. Mix the dry ingredients until well combined and add to pan. Stir in the tomato sauce and canned chili peppers.