By Kathleen Savoie, Extension Educator, University of Maine Cooperative Extension. For information about UMaine Extension programs and resources, visit extension.umaine.edu.Find more of our publications and books at extension.umaine.edu/publications/. Herbal vinegar is vinegar infused with herbs, fruit or spices. These flavorful vinegars make great additions to salad dressings, fresh or sautéed vegetables, and make great gifts