Campbell Soup, the US food business, has announced it is selling its Garden Fresh Gourmet business to an affiliate pf Fountain of Health USA, a maker of hummus, dips, variety packs, prepared salads, pates, and frozen desserts, for an undisclosed sum. Campbell Soup bought Garden Fresh Gourmet in 2015, at the time bidding to expand in packaged fresh and organic foods. The sale forms part of Campbell’s Soup strategy, announced …