Hard Boiled Egg Mayonnaise

TO MAKE IN FOOD PROCESSOR

Step 1: Combine cooked and raw egg yolks with vinegar.

Step 2: Pulse to mix.

Step 3: 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.

Step 4: Season to taste.

TO MAKE BY HAND

Step 5: Place cooked egg yolks in a large bowl and mash with a fork.

Step 6: Add raw egg yolk and vinegar and whisk together until very creamy.

Step 7: 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.

Step 8: Season to taste.

Step 9:

Step 10: Both methods: Refrigerate at least 30 minutes before using.