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PEEL the onion and clove of garlic and cut into small chunks. HEAT up the small saucepan without adding in butter or oil on medium-high heat. SAUTÉ the garlic and onion until glazed.
ADD tomato paste along with the paprika powder, cayenne pepper, chili and cumin. COOK for a few minutes, this is very important to de-acid before adding moisture.
ADD sugar and vinegar, bring to a boil. TURN down the heat and let simmer for a few minutes, or until the onion and garlic has softened up. SEASON with salt and pepper.
Enjoy your home-made taco sauce!