Homemade balsamic vinaigrette is a staple recipe in our house. We like vinegary dressings and use twice as much olive oil as vinegar. To make a less vinegary dressing, add more olive oil to taste. I like to add a little sweetener to the dressing. Maple syrup or honey is lovely, or add a little fruitiness with your favorite jam (strawberry jam is especially good). If you are using a thicker balsamic vinegar or one that is aged, it may already taste more sweet, so you may not need to add sweetener.