Ingredients

3/4 cup extra-virgin olive oil

3 tablespoons balsamic vinegar

2 teaspoons minced shallot or red onion

2 teaspoons Dijon mustard (optional)

1 1/2 teaspoons minced fresh oregano leaves or 1/2 teaspoon dried

1/2 clove garlic , minced

1/2 teaspoon table salt

1/4 teaspoon ground black pepper

Preparation

Shake all of the ingredients together in a jar with a tight-fitting lid. The dressing can be refrigerated for up to 7 days; bring to room temperature, then shake vigorously to recombine before using.