Nothing will make you smile quite like this six-layer rainbow cake. The secret to this cake's vibrant color is to use gel food coloring–it really makes each layer pop. For an easy decorating ...

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

With remaining the 3-½ cups batter, divide it into 4 equal bowls ... Sprinkle your frosted cake very generously with a layer ...

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 ...

When you make a cake (like this rainbow cake), cupcakes ... or maybe you had to level off layers of cake to make each layer the same size, and you're left with a pile of perfectly good cake ...

Add sugar, remaining pumpkin and spice; mix well. Gently stir in COOL WHIP. Cut each cake layer horizontally in half with serrated knife; stack on serving plate, spreading cream cheese filling ...

This impressive rainbow cake ... put the 20cm/8in cake board on top. Put a dab of buttercream on the cake board and place the purple sponge on top. Spread a ¾cm/½in thick layer of buttercream ...