1 minced onion,
1 small can of tomato sauce,
2 cups of water,
¼ cup of apple cider vinegar (one with no sugar),
¼ cup of Worcestershire sauce or soy sauce, paprika,
chili powder,
cinnamon,
cloves,
salt and pepper all to taste.
Place all of the ingredients in a medium saucepan and bring to a boil. Then lower the heat and simmer for around 15 minutes, or until it thickens.
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if you want sweeter sauce, add splenda or whatever sweetener after it's cooled. The ingredients with no measurement are to your taste. you have to experiment a little to get it just how you want it.