1 Hand blender or immersion blender Don't use a food processor unless you double the recipe
Ingredients
1LargeEgg
1TeaspoonKosher salt
1CupMild or light olive oil or use all homemade truffle oil
1Teaspoon 1 teaspoon black truffle oil or ½ oz fresh black truffle, finely chopped
2Tablespoon Fresh lemon juice
Instructions
Chop or grate the garlic on a microplane grater. Mix the garlic with the lemon juice and allow to rest for 30 minutes or overnight.
Using truffle oil from a store
Mix the truffle oil and olive oil;
Mix the garlic, salt and lemon with the egg in a tall container. Using a hand blender, puree the mixture, drizzling in the oil very slowly until thickened.
Double check the seasoning for salt and adjust until it tastes good to you. Transfer the sauce to a mason jar and store in the fridge for 1-2 weeks.
If you want a stronger truffle flavor, add more truffle oil, ½ teaspoon at a time until it tastes good to you.
Using fresh truffles
Store the egg with fresh truffles in a container with a tight fitting lid for at least 24 hours.
Finely chop the fresh truffles, mix with the oil and allow to rest overnight, then proceed with the recipe as above.
Video
Notes
Most processors are too large for this size of recipe and can cause the mayonnaise emulsion to break and separate. Don't make this with a food processor unless you double the recipe.