Add blackberry vinegar, honey, onion, garlic, and salt and pepper to food processor.
1 cup fresh or frozen blackberries, 3 tablespoon blackberry vinegar, 2 tablespoon honey, 1 tablespoon dijon mustard, 1 tablespoon Onion, 1 teaspoon garlic, salt and pepper to taste
Process until smooth.
Stream in oil in a thin stream, with food processor running, until dressing is emulsified and frothy.
1/4 cup olive oil
Store in cruet, refrigerated for at least a couple months, up to about 6 months.
To use fresh berries, see notes below.
Notes
Makes about 3/4 cup (175ml).If you don't have time to make the vinegar, just juice about 1 cup of blackberries, strain out seeds with a fine mesh sieve and use the juice with another vinegar. Substitute white wine, champagne, apple cider, white, rice or white balsamic vinegar for blackberry vinegar, if desired.Recipe for blackberry vinegar Use a mild oil, such as; virgin olive oil, not extra virgin, canola, vegetable, corn, etc. I use 3-4 grinds of fresh black pepper and about 1/4 teaspoon sea salt.Store refrigerated for at least 6 months. Do not freeze.