A basic vinaigrette features olive oil and balsamic vinegar, but you may substitute any oil for the olive oil. Balsamic vinegar and olive oil both contain antioxidants that may lower your risk of cardiovascular disease; otherwise, they have different nutritional strengths. The dressing can be made a ahead of time. Instead of balsamic vinegar, you may choose any fruit or wine vinegar, lemon or orange juices, or pureed fruit. You can also try alternative fats, such as browned butter or rendered bacon fat, for example. The extra time gives the garlic some time to perfume the dressing. For the dressing: Add the salt, pepper, garlic, oregano, olive oil and vinegar to a glass jar with a lid. Olive oil is a good source of vitamins K and E, as well as healthy unsaturated fats. What Are the Health Benefits of Balsamic Vinegar & Olive Oil?. Shake until well mixed.