Here is Simple Vinaigrette that can be used for fresh vegetable salad, pasta salad, or antipasti.
1/3 cup of balsamic vinegar
1 cup extra-virgin olive oil
2 tablespoons Dijon mustard
1 teaspoon sugar
salt and freshly ground black pepper to taste.
In a small bowl whisk together vinegar, mustard, sugar, salt and pepper. In a slow stream whisk in oil until emulsified.