I don`t have time
Here's the one I always use. Takes no time but is better if you make it and leave it overnight. So easy you'll make it once and remember the recipe. If you haven't got English mustard powder, a dollop of Polish will do. Dijon even better.
deliaonline.com/how-to-cook/and-the-rest/delias-quick-mayonnaise
Works better with an electric whisk rather than a food processor.