La Madeleine Balsamic Vinaigrette Dressing, an oil-based salad dressing or marinade, all natural and gluten free. A delicate blend of spices accents this classic vinaigrette highlighting the robust flavors of Dijon mustard, fresh garlic and balsamic vinegar. Balsamic vinaigrette is a creamy emulsion typically made by blending balsamic vinegar with oil and seasonings.