# What You'll Need:
→ Base
01 - 1 large egg, room temperature
02 - 1 tablespoon Dijon mustard
03 - 1 tablespoon white wine vinegar or lemon juice
→ Oil
04 - 1 cup neutral oil (such as sunflower, canola, or light olive oil)
→ Seasoning
05 - 1/2 teaspoon fine sea salt
06 - 1/4 teaspoon freshly ground black pepper, optional
# How to Make It:
01 - Add the egg, Dijon mustard, vinegar or lemon juice, sea salt, and black pepper (if using) to a tall, narrow blending container.
02 - Pour the neutral oil directly on top of the other ingredients in the container.
03 - Insert the immersion blender to the bottom of the container ensuring all ingredients are beneath the blades.
04 - Activate the blender, holding it at the base for approximately 10 seconds until the mixture starts to thicken.
05 - Slowly move the blender up and down to fully integrate the oil, blending until the mixture is thick and smooth, around 30 seconds.
06 - Check seasoning and add additional salt or vinegar if desired.
07 - Transfer the mayonnaise to a clean jar, seal tightly, and refrigerate. Use within 1 week.