1 egg yolk
1 tablespoon lemon juice
1 teaspoon Dijon mustard
1 to 2 garlic cloves, minced or grated
1/2 teaspoon salt
1/2 cup olive oil
1/4 cup neutral oil
In a bowl, whisk the egg yolk, lemon juice, Dijon mustard, garlic, and salt
Slowly drizzle in the olive oil and neutral oil while whisking constantly
Continue whisking until thick and creamy
Taste and adjust salt or lemon juice as needed
Chill before serving