# Ingredient List:
→ 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 (sunflower, canola, or light olive oil)
→ Seasoning
05 - 1/2 teaspoon fine sea salt
06 - 1/4 teaspoon freshly ground black pepper (optional)
# Directions:
01 - Add egg, Dijon mustard, vinegar or lemon juice, sea salt, and pepper (if using) to a tall, narrow blending container.
02 - Pour neutral oil gently on top of the other ingredients.
03 - Place immersion blender at the bottom of the container and turn it on, holding it steady for 10 seconds until mixture starts to emulsify.
04 - Move blender slowly up and down to fully blend oil until mixture is thick and creamy, about 30 seconds.
05 - Taste mayonnaise and adjust seasoning with additional salt or vinegar as preferred.
06 - Transfer to a clean jar, seal tightly, and refrigerate. Use within one week.