Put eggyolk in a bowl put in the black pepper + mustard powder and pinch of salt

Put in one spoon of plain water

Whisk the mixture above add in the vinegar continue whisking

Now pour in a thin stream of oil as u continue whisking (careful here as the mixture can "katika") the thicker it becomes add vinegar and continue adding oil continuously

The Dressing is ready, u can mix it with guacamole or apply on ur bread or any vegetable salad,u don't have to buy the supermarket mayonnaise as it contains harmful preservatives, sorry i didn't take the pic😉