You can use this as-is for an easy salad dressing.
Yield:1 quart
Ingredients:
3 C
blackberries, fresh or frozen
2 C
rice vinegar
2 C
sugar
Puree the blackberries, then mix in the vinegar and sugar and let sit overnight.
The next day, bring the mixture to the boil and simmer 5 minutes. Let cool, then press it through a sieve. Pour into bottle and store in the refrigerator.