Put all the ingredients in a jar and shake, shake, shake
Or: Put all the ingredients in a bowl and whisk, whisk, whisk.
Or: Put all the ingredients in a blender or food processor and put the top on tightly. Turn the machine on and blend.
Taste the dressing on a leaf of lettuce. Does it need more oil, more lemon juice or vinegar, or a pinch of salt? If so, add it and taste again.
Use right away, or cover and refrigerate up to 3 days.