Basic Vinaigrette

Directions

1. 1
   Combine all ingredients except shallot in a blender and turn on machine; a creamy emulsion will form within 30 seconds.
2. 2
   Taste and add vinegar a teaspoon or two at a time until balance tastes right to you.
3. 3
   Add shallot, if using, and turn machine on and off a few times until shallot is minced within dressing.
4. 4
   Taste, adjust seasoning and serve.
5. 5
   (This will keep, refrigerated, for a few days.)