Two Healthy Kitchens
Note that this dressing is difficult to emulsify completely and should be shaken or re-whisked before serving.
If you want it more emulsified, you can whiz it in a blender or small food processor for a minute or two.
The common tip (to slowly drizzle your olive oil into the vinegar mixture in a steady stream, while whisking) doesn’t really help much at all with this one.