• Slice of choc-mint heaven (Bake Australia Great by Katherine Sabbath)

Mint and chocolate is a powerhouse pairing to rival cheese and biscuits, fish and chips.

Serves
16

Preparation

1hr
20min

Cooking

45min

Skill level

Mid
By
Average: 3.1 (27 votes)
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Although at times polarising (I know friendships that have ended over this), when the balance is correct, the richness of dark chocolate carrying the sweet, fragrant notes of mint is a match made in cake heaven. Of course, no one likes baked goods that taste like toothpaste (apologies if you do), so keep in mind that a little peppermint essence goes a long way.

Ingredients

Choc-heaven cake 

  • cooking oil spray
  • 2 cups (320 g) self-raising flour
  • 1¾ cups (385 g) caster sugar
  • ¾ cup (85 g) cocoa powder
  • 1 tsp bicarbonate of soda (baking soda)
  • ½ tsp salt
  • 1 tsp instant coffee powder
  • 1 cup (250 ml) buttermilk, at room temperature
  • ½ cup (115 g) melted coconut oil
  • 2 large eggs, at room temperature
  • 2 tsp vanilla extract
  • 1 cup (250 ml) boiling water

Mint buttercream

  • ½ cup (125 g) unsalted butter, softened
  • 1½ cups (210 g) icing (confectioners’) sugar, sifted
  • green gel food colouring
  • 2 tsp peppermint essence

Chocolate glaze

  • 7 (11 g/¼ oz) gelatine sheets 
  • 1 cup (220 g) caster sugar
  • ⅔ cup (75 g) cocoa powder
  • 100 ml (3½ fl oz) thick (double) cream
  • ½ cup (125 ml) water
  • 50 g (1¾ oz) dark chocolate, roughly chopped

Decoartion 

  • 2 tbsp apricot jam, sieved
  • 2 gummy spearmint leaves

Cook's notes

Oven temperatures are for conventional; if using fan-forced (convection), reduce the temperature by 20˚C. | We use Australian tablespoons and cups: 1 teaspoon equals 5 ml; 1 tablespoon equals 20 ml; 1 cup equals 250 ml. | All herbs are fresh (unless specified) and cups are lightly packed. | All vegetables are medium size and peeled, unless specified. | All eggs are 55-60 g, unless specified.

Instructions

Cooling time: 2 hours

1. To make the cake, preheat the oven to 160°C (320°F) fan forced. Grease two 18 cm (7 inch) round cake tins with cooking oil spray and line with baking paper.

2. Using an electric mixer fitted with the paddle attachment, whisk the flour, sugar, cocoa, bicarbonate of soda, salt and coffee powder until combined. 

3. Add the buttermilk, coconut oil, eggs and vanilla and mix on medium speed until well combined. Reduce the speed, carefully add the boiling water and mix until well combined.

4. Divide the batter between the cake tins. Bake for 45–50 minutes or until a skewer inserted into the centre of the cakes comes out clean. Remove from the oven and allow the cakes to cool for about 20 minutes, then remove from the tins and transfer to a wire rack to cool completely.

5. To make the mint buttercream, using an electric mixer, beat the butter until pale and creamy.

6. Add the icing sugar, one large spoonful at a time, beating constantly until smooth and combined. Tint with the green colouring until the desired shade is reached.

7. Add a small amount of the peppermint essence and beat until combined. Continue adding the peppermint essence until you’re happy with the taste.

8. For the glaze, put the gelatine in a shallow bowl of cold water to soften for 5 minutes.

9. Combine the sugar, cocoa, cream and water in a saucepan over medium heat. Stir until melted, then bring to the boil, stirring until smooth. Remove from the heat, add the chocolate and stir until melted. Set aside to cool for 5 minutes. 

10. Squeeze any liquid from the gelatine sheets and stir into the chocolate mixture until dissolved. Pour through a sieve into a bowl. Transfer the glaze to the fridge to cool and thicken for about 1 hour or until it reaches the consistency of thick mayonnaise.

11. To decorate, working on a cake turntable or lazy Susan, use an offset spatula to cover the top of the bottom layer of cake with a generous amount of buttercream, spreading it right to the edge.

12. Place the second layer of cake on top and gently press down to secure. Use an offset spatula to smooth the excess buttercream so that it very lightly covers the side and gives a smooth edge. 

13. Gently warm the apricot jam and lightly brush it over the cake, covering the side and top. Chill in the refrigerator for 30 minutes.

14. Place the chocolate glaze in a heatproof bowl and gently stir over a pan of simmering water (or microwave at 20-second intervals, stirring after each) until melted. Allow to cool slightly for 5–10 minutes.

15. Transfer the chilled cake to a wire rack sitting on a large baking tray to catch any excess glaze. Pour the glaze over the cake, making sure it completely covers the cake. Use an offset spatula to carefully smooth over the top and side, if needed.

16. Leave the cake to set for an hour or so, then carefully transfer to a cake stand or cake board. Decorate the cake with gummy spearmint leaves.

 

Tips 

• I use a large barbecue spatula and a large offset spatula to transfer the finished cake to the cake stand, board or platter.
• The cake is best served at room temperature. It can be refrigerated for 5 days or frozen for 2 months.
• The glaze can be made up to 3 days in advance and stored in the fridge, covered with plastic wrap. Gently reheat it and allow it to cool slightly before pouring onto the cake.

 

Recipe and image from Bake Australia Great by Katherine Sabbath (Murdoch Book, $39.99)