# 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)
# Step-by-Step:
01 - Add the egg, Dijon mustard, vinegar or lemon juice, sea salt, and black pepper (if using) into a tall, narrow blending container.
02 - Pour the neutral oil directly over the other ingredients.
03 - Insert the immersion blender to the bottom of the container.
04 - Turn on the immersion blender and hold it at the container’s bottom for approximately 10 seconds, until the mixture begins to emulsify and thicken.
05 - Moving the blender up and down slowly, blend until the oil is fully integrated and the mixture is thick and smooth, about 30 seconds total.
06 - Taste and add additional salt, vinegar, or lemon juice as desired.
07 - Pour into a clean jar, seal with a lid, and refrigerate promptly. Consume within one week.