Looking For The Best Rainbow Cake In London? Order Ours For Hand-Delivery It's the greatest Rainbow Cake in London, and one of our all-time best-sellers! If you want a cake that's guaranteed to get wow reviews and look majestic, look no further than the Flavourtown Bakery Vanilla Rainbow Cake. Imagine six delicious layers of soft, pillowy vanilla sponge, slathered generously with our famously silky vanilla bean buttercream. The iconic Flavourtown Vanilla Rainbow Cake - the ultimate birthday cake, perfect for kids' parties and a total tabletop pleaser at any celebration. We've been making the Flavourtown Rainbow Cake here in our Great Taste Gold Award-winning London bakery the same way since 2013. Our secret-recipe sponges and luscious icings are handcrafted from scratch using the finest ingredients we can get our hands on, including organic Shipton Mill and Doves Farm flour, free-range eggs, French butter, Tate & Lyle organic sugar and Madagascan vanilla. Every single cake is baked fresh just for your order and individually hand-decorated by Matilde and her talented team of cake artists. Our Rainbow Cake is also available with a delicious Belgian chocolate icing. Our Vanilla Rainbow Cake - Doorstep Delivery Across London We deliver our famous Rainbow Cakes across London to all postcodes inside the M25 - seven days a week. Your cake is carefully boxed, handed to one of our specially trained drivers and delivered directly from our NW10 bakery to your front door on your chosen day.