Basil Mayonnaise

Directions

1. 1
   In a food processor or blender, combine basil, olive oil and a pinch of salt, and puree until smooth.
2. 2
   Set aside.
3. 3
   In a small bowl, whisk together egg yolk, mustard, vinegar and garlic with a little salt and pepper.
4. 4
   Whisk in the peanut oil, beginning a drop at a time.
5. 5
   Whisk vigorously after each addition of oil, until mixture thickens and emulsifies.
6. 6
   As the mayonnaise thickens, you can add the oil faster, in a thin, steady stream.
7. 7
   Whisk in basil mixture until smooth and homogenous.
8. 8
   Adjust seasoning.
9. 9
   Keep cold.