Amazing Cakes #27: White Chocolate and Blueberry Layer Cake.

The White Chocolate and Blueberry Layer Cake from the Great British Bake Off Big Book Of Amazing Cakes.

It’s been a few weeks since I’ve tried out a recipe from The Great British Bake Off The Big Book Of Amazing Cakes. Most of the recipes I have left over in the challenge are the more complicated ones or the ones you would bake for a special occasion. Can’t imagine me baking a three tier wedding cake just for my family to have with a cuppa!

This week I have had a lot of baking to do for smartcookiesam.com, my online baking business. These have been brownies, blondies and cookies so it was a change to bake a cake for once! I chose to bake the White Chocolate and Blueberry Cake in the Chocolate chapter of the Amazing Cakes book.

The cake is a three layer blueberry sponge filled with white chocolate buttercream and finished with another layer of buttercream. The top decoration is some more white chocolate buttercream but with blueberry jam swirled in the icing to add flavour and to turn the icing a beautiful shade of lilac.

As with baking these recipes, I look to see what ingredients I have or need to get in. I had to buy double cream in for the recipe but I didn’t have any blueberry jam. I used some blackcurrant jam we had bought on holiday on the Isle of Arran instead which is gorgeous.

After doing my blondie and cookie order, I adjusted the oven termperature to 180oC fan which was stipulated in the recipe. I then thought this was a bit too hot, so I reduced it to 160o.

The cake itself was simple to make itself in a stand mixer: unsalted butter, caster sugar, vanilla extract, free range eggs and self raising flour mixed together to create the cake batter. Then I added in the blueberries, folding them in carefully until they were combined but taking care that they wouldn’t get squashed! I prepared three 20cm/ 8″ diameter sandwich tins with greaseproof lining and Cake Release Spray.

While the cake was baking, I made the buttercream in my KitchenAid mixer. First I whipped the butter for a few minutes. While that was being whipped, I melted some white chocolate in the microwave. I know some don’t approve of using the microwave method but it works for me if I do it in short blasts of time! When the white chocolate was melted and still warm, I stirred some double cream into it. The butter was now ready for me to add the icing sugar to it. No matter how hard I try I still get icing sugar all over the worktops and on the floor even on the lowest speed on the mixer! Finally, when this was blended I added in the white chocolate cream mixture to whip up into the buttercream.

The recipe time said to bake the cake for 20-25 minutes. I checked on it after 20 minutes and I noticed they were already done and coming away from the sides of the tin. I quickly got them out of the oven and onto the cooling racks.

When it was time to ice the cake I noticed the buttercream was a bit runny. It was really hot in my kitchen and I had no spare space in my fridge to chill the cake between it’s crumb coat and needing the top layer on. I also found it impossible to do the white chocolate shavings myself as the chocolate was melting in my hot hands! When the crumb coat was on, I then split the remaining icing in two. One half went as part of the topping and then the remaining part had some of the blackcurrant jam added to it to turn it lilac. I made up a piping bag fitted with a star nozzle and then piped the rose swirls on the top of the cake. As the kitchen got hotter and hotter, so did the blooming icing which drove me crazy! It was definitely too runny for my liking. The white chocolate curls were meant to go on the side of the cake but I found this far too fiddly. Instead i just sprinkled them on top.

Would I bake this cake again? Yes I would, although there are a couple of issues I have with the recipe. I think the oven temperatures are too hot and also the cooking times were too long. This is definitely a special occasion cake as you need three packets of butter, some double cream and 400g of white chocolate as well as a huge box of icing sugar! Definitely not a recipe you would bake every day. But worth it when you do. I also think that you could change the flavours by using raspberries and raspberry jam instead of blueberries.

Happy Baking!

Love Sam. xx

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