Tablespoon London Fog Concentrate The Republic of Tea Harney & Son's Victorian London Fog : r tea This is my Iced London Fog Latte with cold foam. Its perfectly sweet, creamy, and so refreshing. , A London Fog is a sweetened Earl Grey tea with milk and vanilla. For this London Fog, Im using What does London Fog taste like?. Very sweet actually by ~Kat An Overthinking Londoner~ Tourist in My Own Country Medium London Fog Drinks: Cozy Alternative to Coffee