Whisk vinegar, garlic, and mustard together in a small bowl.
2
Whisk, and while whisking, slowly add olive oil.
3
Add salt, pepper, and herbs.
4
Taste dressing with ingredient that it will be used on (a piece of lettuce, for example).
5
Adjust dressing to taste, adding sugar if too tart and more vinegar if too oily.
6
Toss HALF of dressing with salad ingredients. Place the other half in a container with a lid for later use. Dressing can be kept for up to one month in the refrigerator.