Balsamic Reduction 1c balsamic vinegar 1 -1 ½ t honey Simmer vinegar in a small pot. Reduce by half. Do not overcook - it will thicken as it cools. If too thin once cooled, simmer for a few additional minutes. should be consistency similar to maple syrup. Taste, if too acidic add the honey, to taste. Store in glass jar, the vinegar will keep for months.