Balsamic Vinaigrette - cooking recipe

Ingredients

5 Tbsp. balsamic vinegar (Aceto brand, if possible; available at Williams-Sonoma)
1 egg white
1/2 tsp. Dijon mustard
1/2 tsp. Herbes de Provence
salt and pepper
2/3 c. olive oil

Preparation

Lightly whisk together vinegar, egg white, mustard, herbs, salt and pepper. Slowly add oil, while continuing to beat the dressing.