2 cups fresh blackberries
2 cups red wine vinegar
1 cup red wine
1 Tbs. sugar, plus more to taste
Purée fresh blackberries in food processor or blender and push through sieve or strainer to remove seeds. In a small saucepan, bring vinegar and red wine to a boil, then lower heat and simmer until reduced by half. Add blackberry purée and continue to reduce. Add sugar. Remove from heat when thick enough to coat back of spoon. Serve warm.