If you don't have rhubarb vinegar, cook down fresh rhubarb with a bit of water and the orange juice until very soft. (about 10 minutes) Then proceed with recipe substituting another vinegar. (See notes below)
Add rhubarb vinegar, honey, orange juice, onion, garlic, and salt and pepper to food processor.
1 cup fresh rhubarb, 3 tablespoon rhubarb vinegar, 2 tablespoon honey, 1 tablespoon dijon mustard, 1 tablespoon Onion, 1 teaspoon garlic, salt and pepper to taste, 2 tablespoons orange juice
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.
Notes
Makes about 3/4 cup (175ml).If you haven't made rhubarb vinegar, just substitute one of the vinegars below and cook down some fresh rhubarb.Substitute white wine, champagne, apple cider, white, rice or white balsamic vinegar for rhubarb vinegar, if desired.Recipe for rhubarb 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.