Kombucha is a fermented drink (made using tea, sugar, a simple bacteria, and yeast) that is known for its health-giving properties. It is experiencing a resurgence in popularity, along with the trends for home-fermenting, preserving, and enjoying ‘living’ foods.Kombucha is a fermented drink (made using tea, sugar, a simple bacteria, and yeast) that is known for its health-giving properties. It is experiencing a resurgence in popularity, along with the trends for home-fermenting, preserving, and enjoying ‘living’ foods.Louise Avery began brewing kombucha in 2010 as part of a self-sufficient and healthy lifestyle, living on a Scottish Island in the Hebrides, simply because she loved its unique and moreish taste. Now she is one of London’s best-connected kombucha producers and the owner of Lois and the Living Teas. Here she reveals her tried-and-tested recipes that use the freshest produce to create truly delicious cold teas.