Buttercup Cake Shop 16 St. Alban’s Grove, W8 5BP Nearest Tube: High Street Kensington www.buttercupcakeshop.co.uk 020 7937 1473 Expect to Pay: £2.50 for a cupcake Buttercup Cake Shop is tucked away on a lovely wee side street in the heart of posh Kensington. From the High Street Kensington tube stop, you pass T.S. Eliot’s house on the way – there, now it’s a cultural bakery visit. See those cupcakes in that photo above? They......