This balsamic vinaigrette is probably my favorite salad dressing. I make it more than any other - it's very versatile, and goes with almost any salad. The garlic is completely optional - I rarely use more than one clove, sometimes less if I am only making a small amount. I love the spice and flavor it adds, but it is completely up to you, the dressing is just fine without.
here’s a video showing how to make it: