This impressive rainbow ... This layer should be very thin, almost translucent in parts. Return the cake to the fridge for 10 minutes. Divide the remaining buttercream into 6 equal portions ...

Divide and color the batter, evenly divide the cake batter into six bowls. Add a few drops of different food coloring to each ...

M&S Foodhall has upgraded its popular Rainbow Layer Cake, which now features five colourful layers. The retailer has described the sweet treat as "the tallest rainbow cake on the high street" as ...