Makes About 1/3 Cup

In a small bowl combine vinegar and shallot, Let stand for 5 minutes. Whisk in mustard. Add oil in a thin steady stream, Whisking constantly until combined. Stir in kosher salt and pepper. Use immediately or cover and chill for up to 3 days before using. If chilled, let stand at room temperature for about 30 minutes, and Whisk before using.

Nutrition Facts per Tablespoon: 51 calories, 5 g total fat (1 g sat. fat), 0 mg cholesterol, 85 mg sodium, 1 g carbohydrates, 0 g fiber, 0 g protein.