In a small bowl, whisk together vinegar, mustard, and sugar.
Season with salt and pepper and slowly add oil. Whisk or shake all ingredients in a jar.
Pour onto greens and serve.
Serves: 1 cup
Time: 40 minsServes: 8 (main dish), 16 (side dish)
Time: 1 hrServes: 6-8
Time: 10 minutesServes: 4-6
Time: 15 minsServes: 6