Crack the egg right into your food processor, cover, and allow it to come to room temperature – approximately 30 minutes.
Then…
Add the vinegar, mustard, sugar & salt. Turn food processor on and slowly pour a thin stream of the oil through the lid. Continue to pour, and blend until mixture thickens; about 2-3 minutes.
Recipe Notes
I use a food processor, but you can also use a blender
At first your mixture will be liquidy – don’t worry – it will thicken as you continue to drizzle in the oil
This can keep in the refrigerator for about a week