Ingredients
1 tablespoon Dijon mustard
2 tablespoons sherry vinegar
1/2 teaspoon sugar
1/4 teaspoon coarse salt
1/4 teaspoon pepper
1/2 cup extra-virgin olive oil
Preparation
When you have about a tablespoon of Dijon mustard left in the jar, add vinegar, sugar, salt, pepper, and oil. Shake to combine.