- 1/4 cup chopped yellow onion
- 2 teaspoons Dijon mustard
- 2 tablespoons fresh lemon juice
- 2 teaspoons chopped fresh parsley
- 1 large egg
- 1/4 teaspoon salt
- 1/8 teaspoon cayenne
- 1 cup vegetable oil
Put the onion, mustard, lemon juice, parsley, egg, salt and cayenne in a food processor or blender and blend for 30 seconds. With the motor running, slowly drizzle in the vegetable oil, the mixture will thicken slightly. Check seasoning.
This recipe yields approximately 1 1/2 cups.