Use a food processor or blender for the best results. In the processor, mix together the egg, vinegar, and dry mustard. While the machine is continuously running, add in the oil. Do this at a steady, fine stream, taking your time. This needs to be done at a steady, fine stream so that your mayo will thicken up. Take time in doing this and you will get favorable results.

When you have completed adding all the oil (it should take a few minutes to add the oil since you are doing it slowly), add the remaining ingredients. This homemade Mayo recipe will keep in the frig for approximately one week.