If you want a smoky flavour in this sauce, add a few drops (or to taste) of liquid smoke, found in the spice section of grocery stores.
In stainless steel or enamel pot, combine tomatoes, sugar, vinegar, molasses, soy sauce, Worcestershire sauce, mustards, chili powder, paprika, garlic powder, onion powder, black pepper and cayenne pepper (if desired). Bring to a simmer over medium heat, stirring often with a wooden spoon. Reduce heat to medium low. Cook 5 minutes.
Pour into glass jar. Store in the refrigerator for up to 1 week. Freeze for longer storage.
Serving Size 1 1/2 tsp
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.