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Blood Orange Chocolate Marble Cake

My mum's amazingly delicious 'simple cake' – here baked as a blood orange and chocolate marble cake with rich chocolate glaze. You can vary the flavours and icing to your taste.
Prep Time15 mins
Cook Time55 mins
Total Time1 hr 10 mins
Servings: 10 slices
Author: Lucy Parissi | Supergolden Bakes

Ingredients

  • 320 g | 11.3oz | 2 1/2 cups plain all purpose flour
  • 180 g | 6.3oz caster or granulated sugar
  • 150 g | 5.3oz room temperature unsalted butter cubed
  • 120 ml | 4fl oz blood orange juice 2 small oranges
  • 60 ml | 2fl oz milk
  • 4 eggs separated
  • 2 heaped tbsp cocoa powder
  • 1 tsp vanilla extract
  • 1 tsp baking powder
  • 1/2 tsp bicarbonate of soda
  • 1/2 tsp salt
  • zest of 2 blood oranges
  • <br>
  • For the glaze
  • 200 g | 7oz good quality dark chocolate finely chopped
  • 200 g | 7oz double cream
  • 2 tbsp golden syrup or honey

Instructions

  • Preheat the oven to 180C | 350F. Line a large loaf tin with baking paper letting the paper hang over the edges.
  • In a stand mixer, whisk the egg whites and salt until you have stiff peaks. Transfer to another bowl and set aside.
  • Put the butter and sugar in the stand mixer bowl (no need to clean). Beat the butter and sugar for several minutes until creamy and white. Stop the mixer and scrape down the sides as you mix.
  • Add the egg yolks, one at a time, waiting until each is blended in before adding the next.
  • Combine the orange juice, milk, zest, vanilla extract and bicarbonate of soda in a measuring jug. The soda will cause the mixture to froth slightly.
  • Alternate adding the flour and orange mixture while mixing at low speed. Stir in the baking powder.
  • Gently fold in the whisked egg whites, in stages, with a large spatula until the batter is smooth.
  • Transfer 3/4 of the batter into the prepared tin. Mix the rest of the batter with the cocoa powder until smooth.
  • Feather the cocoa batter mixture into the cake using a knife, making sure it is mixed in well.
  • Bake for 45m -1hour until a skewer inserted in the centre comes out clean. Cool on a wire rack.
  • Put the chopped chocolate in a small bowl. Heat the cream and golden syrup until almost boiling then pour over the chocolate. Leave to stand for a couple of minutes then stir until silky smooth. Pour or spread over the cooled cake and serve immediately.