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Chocolate Courgette Cake with Chocolate Frosting

chocolate courgette cake

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This moist chocolate courgette cake is delicious on its own - but I highly recommend you try the incredible sour cream chocolate frosting. I promise you, this recipe will go down a treat...

Ingredients

For the cake:
250g courgettes, grated
50g caster sugar
100g soft light brown sugar
2 large eggs
65g full-fat Greek yoghurt
60ml vegetable oil
120g plain flour
1 tsp bicarbonate of soda
1/4 tsp baking powder
55g cocoa powder
1/2 tsp flaky salt
200g good-quality dark chocolate, roughly chopped

For the sour cream chocolate frosting: (optional)
100g unsalted butter, at room temperature
50g full-fat sour cream, room temperature
160g good-quality dark chocolate, melted
25g cocoa powder
350g icing sugar

Instructions

  1. Preheat the oven to 180C Fan. Grease and line a 900g (2lb) loaf tin with non-stick baking paper or use a little butter and a dusting of cocoa powder.
  2. Place the grated courgette in a clean tea towel and give it a good squeeze to get rid of any excess moisture.
  3. Tip the courgette into a large mixing bowl. Add the sugars, eggs, yoghurt and oil and mix well.
  4. Sieve in the flour, bicarbonate of soda, baking powder and cocoa powder. Add the salt and mix well to combine.
  5. Stir in the chopped chocolate until evenly distributed throughout the batter.
  6. Pour into the prepared loaf tin and bake for about 40-45 minutes - or until a skewer inserted into the centre comes out clean. Check at 35 minutes as ovens vary and you don't want it to be too dry - cover with foil if the top is darkening too quickly. 
  7. If frosting, leave to cool in the tin for 15 minutes before turning out onto a wire rack to finish cooling completely. Alternatively, leave to cool in the tin for 5 minutes until just cool enough to handle carefully. Turn out onto a plate and enjoy warm slices with melting pools of chocolate.
  8. If making the frosting: using an electric whisk, beat the butter for about 2 minutes until creamy and fluffy. Add the sour cream and the cooled melted chocolate and continue beating until combined. Sift in the icing sugar and cocoa powder and mix until light and fluffy.
  9. Once the loaf has completely cooled, use a palette knife, spatula or the back of the spoon to spread over the top.
  10. Cut into slices and enjoy!

Notes

You can swap the chopped dark chocolate chunks for milk and/or white chocolate if you prefer.