Continue to cook for about 30 minutes, stirring frequently with a wooden spoon, until the puree has reduced and thickened considerably to the consistency of jam and reached setting point.

In another bowl, combine peanut butter with about 1/5 cup of water and mix until you have a smooth sauce with the texture of runny yogurt. Add soy sauce and a small amount of vinegar to taste.

Salad dressing is a kind of high-nutrition condiment which is semi-solid.