Image: Mayones

Description: Start with 1 eggyolk 1 t mustard pinch of salt & pepper Then whisk in 150 ml peanut/arachis oil. Starting with a few drops, whisk vigorously until it not only blends, but also thickens. Then add a little bit more oil, whisk, add more until after a while you're confident enought to add the rest of the oil in a little, steady stream. When all the oil is blended in, add a teaspoon of ricewine vinegar or some lemonjuice. (all steps are done in room temperature)
Title: Mayones
Credit: http://www.flickr.com/photos/fotoosvanrobin/3277764542/
Author: FotoosVanRobin from Netherlands
Permission: Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
Usage Terms: GNU Free Documentation License
License: GFDL
License Link: http://www.gnu.org/copyleft/fdl.html
Attribution Required?: Yes