While visiting a local produce stand on one of the recent hot summer days, the attendant said, “Get a watermelon. Other recipes call for a balsamic glaze that will enhance the finished salad. A balsamic glaze is also known as balsamic reduction. Balsamic Glaze 1 cup balsamic vinegar1-2 tablespoons desired sweetener, honey, brown sugar or maple syrup Place the vinegar into a medium saucepan. Place the watermelon, mint or basil, and balsamic vinegar or glaze in a small bowl.