Vinaigrettes are traditional on salads. Also can be put onto any vegetables, fish or meat.
Ingredients
3 tablespoons vinegar (sherry vinegar is very good, or use another wine vinegar) 2 teaspoons Dijon mustard 1 egg yolk 1/2 teaspoon salt a grind of pepper 1/2 cup extra virgin olive oil
Instructions
Put everything into a bowl and mix with a fork or whisk, or put into a jar and vigorously shake.