London Fog Imbibe London Fog Cake with Earl Grey Buttercream Sugar & Sparrow London Fog Cake Need to change up your order?! You should try an Iced London Fog. The lovely complex flavors of a London Fog, but over ice! Perfect for these stormy spring days. Try one! London fog is a cozy cup of Earl Grey tea spiced with vanilla and honey, and topped with steamed foamy milk. Start your morning with this and you'll feel like you're walking London Fog Jo Cooks