Hard-Boiled Egg Mayonnaise

Directions

1. 1
   To make in food processor:
2. 2
   Combine cooked and raw egg yolks with vinegar.
3. 3
   Pulse to mix.
4. 4
   With machine running, slowly add the oil, drop by drop at first, then in a thin steady stream, until all the oil is incorporated and mixture has thickened.
5. 5
   Season to taste.
6. 6
   To make by hand:
7. 7
   Place cooked egg yolks in a large bowl and mash with a fork.
8. 8
   Add raw egg yolk and vinegar and whisk together until very creamy.
9. 9
   Gradually whisk in the oil, drop by drop at first, then in a thin steady stream, whisking constantly and making sure all the oil is incorporated before adding more.
10. 10
    Season to taste.
11. 11
    Both methods:
12. 12
    Refrigerate at least 30 minutes before using.