Chocolate & lime cake

Chocolate & lime cake

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(3 ratings)

Prep: 1 hr, 10 mins Cook: 40 mins

Easy

Serves 8

Give chocolate cake a zesty lift with lime buttercream filling, chocolate and lime icing and candied zest to decorate - an irresistible flavour pairing!

Nutrition and extra info

  • Vegetarian

Nutrition: per serving

  • kcal855
  • fat49g
  • saturates29g
  • carbs93g
  • sugars74g
  • fibre4g
  • protein9g
  • salt0.9g
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Ingredients

    For the sponge

    • 225g butter, softened at room temperature, plus extra for greasing
      Butter

      Butter

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      Butter is made when lactic-acid producing bacteria are added to cream and churned to make an…

    • 225g light brown soft sugar
    • 4 large eggs, at room temperature, lightly beaten
    • 170g self-raising flour
    • ½ tsp baking powder
      Baking powder

      Baking powder

      bay-king pow-dah

      Baking powder is a raising agent that is commonly used in cake-making. It is made from an alkali…

    • 50g cocoa powder
    • 2 tbsp milk

      Milk

      mill-k

      One of the most widely used ingredients, milk is often referred to as a complete food. While cow…

    • 50ml lime juice (about 4 limes)
    • 25g caster sugar

    For the candied lime zest

    • 3 limes
      Lime

      Lime

      ly-m

      The same shape, but smaller than…

    • 100g granulated sugar

    For the lime buttercream

    • 100g unsalted butter
    • 200g icing sugar
    • 2 limes, finely zested
      Lime

      Lime

      ly-m

      The same shape, but smaller than…

    For the chocolate & lime icing

    • 50ml double cream, plus 1 tbsp
    • 100g 70% dark chocolate, cut into small pieces
      Dark chocolate soup pots with double cream in spoons

      Dark chocolate

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      Dark chocolate means the shiny, dark-reddish brown treat produced from the cacao bean, theobroma…

    • 2 ½ tbsp lime marmalade

    Method

    1. Heat oven to 180C/160C fan/ gas 4. Butter and line the base of 2 x 20cm cake tins with baking parchment. Beat the butter and sugar together until pale and fluffy. Add the eggs gradually, beating well between each addition. Fold in the flour, baking powder and cocoa powder. If the mixture is very stiff, stir in the milk. Spoon into the cake tins and bake for 20-25 mins or until a skewer inserted into the centre comes out clean. Turn the cakes out onto a wire rack and peel off the parchment. Gently heat the lime juice and sugar together, stirring to help the sugar dissolve. While the cakes and the syrup are still warm, pierce the cakes all over using a skewer and spoon over the syrup. Leave to cool completely.

    2. Next, make the candied lime zest. Pare the zest from the limes, cutting it cutting it into broad strips. Cut away the white pith and discard, then slice the zest into matchstick-sized strips. Put them in a pan and cover with water, then bring to the boil. Cook for 1 min, then drain and rinse. Dry and set aside. Juice the limes and add enough water to make 225ml. Heat gently with the sugar until the sugar has melted. Add the strips of zest and simmer until the liquid has almost evaporated and turned syrupy – about 30 mins. Scoop the strips of zest out with a slotted spoon, then place them on parchment to dry.

    3. To make the buttercream, beat the butter and icing sugar together using an electric mixer or by hand (start off gently or the icing sugar will fly everywhere), until pale and light, but don’t beat for so long that it gets too fluffy. Add the lime zest and beat again until smooth. Chill in the fridge until the buttercream is firm, but spreadable.

    4. To make the icing, heat the cream, then take it off the heat. Add the chocolate and let it melt, stirring to help it along. Put the marmalade in a small pan with the extra 1 tbsp cream and heat slowly to dissolve. Add to the chocolate and cream and stir until everything is blended. Leave to cool a little, but not so long that it becomes firm. Pour over one of the layers of sponge and leave to cool and set – it will run down the sides and drip off.

    5. Spread the buttercream over the other layer, then put the chocolate coated layer on top. Decorate with the candied lime zest.

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    Comments, questions and tips

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    dlockhart
    12th Feb, 2017
    5.05
    This cake reminds me of those old fashioned chocolate & lime sweets! I didn't bother with the candied peel (too much effort for an everyday cake); no lime marmalade for the ganache and got away with only 200 g of sugar in the cake mix. Sponges are nice and moist. A nice variation on chocolate cake that could work also well with orange.
    jule955
    11th Feb, 2017
    5.05
    I wouldn't bother with the candied peel - tried twice and they were awful. But the chocolate and lime go really well together. I doubled the amount of drizzle and added some lime flesh in the buttercream to make the taste a bit stronger - delicious!
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