Once known as haymaker’s punch, switchel was a ginger tonic prepared for people working in the fields during the 18th and 19th centuries. “We call it the original energy drink,” says Ann Marie Weber, who took over her family farm in Stratford, Ont., originally a pick-your-own farm in the 1970s, with her husband, Al. After steadily growing a reputation for making high-quality jams, using local ingredients, they decided to branch out with a new all-natural, fruit-based product line this year.