- ½ tablespoon shallot or scallion, finely minced
- ½ tablespoon Dijon mustard
- ¼ tablespoon salt (or to taste)
- Juice of 1 lemon
- ½ tablespoon white or red wine vinegar
- ⅓ to ½ cup good-quality olive oil
- Freshly ground pepper (to taste)
Shake all of the ingredients in a screw-top jar with great vigor. Store in the refrigerator.