Blueberry and lemon cake squares
- June 2013
- Serves 24
- Takes 15 minutes to make, 35 minutes to cook
Donal Skehan’s blueberry and lemon squares are full of fresh, sweet, vibrant flavours but the best thing about this traybake recipe is its simplicity – it uses the quick all-in-one method which means you weigh out your ingredients, throw them all in and mix together, giving a fragrant batter in a matter of minutes.
- 7.9g (5g saturated)
- 26.3g (18.9g sugars)
- 250g self-raising flour (we like Allinson self-raising white flour)
- 1 tsp baking powder
- 225g golden caster sugar
- 4 large free-range eggs
- 225g butter, softened (see p75)
- 3 tbsp milk
- Grated zest of 3 lemons, plus extra
- 250g blueberries
For the icing
- 6-8 tbsp lemon juice
- 200g icing sugar
- Preheat the oven to 170°C/fan 150°C/gas 3½. Line a straight-sided 30cm x 25cm traybake tin with baking paper.
- Put the dry ingredients in a large bowl and make a well in the middle, then add the eggs, butter, milk and lemon zest. Beat with an electric hand mixer until smooth and combined, then stir in the berries.
- Pour the batter into the prepared tin, then bake on the middle oven shelf for 35 minutes or until risen and golden. Turn out onto a wire rack to cool completely.
- Mix the lemon juice into the icing sugar, a little at a time, until you have a smooth, spreadable icing. Drizzle over the sponge, then scatter with extra lemon zest and leave to set for 1 hour. Cut into 24 squares.
For extra flavour, gently heat the juice of 2 lemons with 2 tbsp caster sugar in a pan, stirring, until the sugar dissolves. When the sponge is cooked, turn it out onto a wire rack and pierce the surface with a skewer, then pour over the hot syrup. Cool, then continue with step 4.
Incorporating citrus zest into your cake mixture adds another dimension to the finished bake. Lemon is the obvious choice for this recipe as it works perfectly with the blueberries, but experiment with lime and orange zest, too.
Don’t feel you can’t alter the recipe to include your favourite berries or whatever fruit is in season. These squares are just as flavoursome if you use ripe blackberries or raspberries instead of blueberries.
You can freeze the cooked and cooled cake, then defrost before icing.
If the butter is too cold and firm when you add it to the mixing bowl it won’t blend with the other ingredients properly, leaving you with a lumpy cake batter. To soften the butter, heat it in the microwave on low for 30 seconds. Alternatively, dice it, put it in a bowl of lukewarm water and set aside for 2 minutes, then drain and pat the butter dry.
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