Member recipe

Banana & Raisin Marbled Chocolate Streusel Cake

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Cooking time

Prep: 20 minutes Cook: 1 hour

Skill level

More effort


Serves 12

A personal twist on my darling nanna's original German recipe.

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  • 3 med bananas, mashed
  • Handful of raisins
  • 4oz white self-raising flour
  • 2oz wholemeal self-raising flour
  • 2 tbsp cocoa
  • 1 tsp ground cinnamon
  • pinch of salt
  • 5oz margarine
  • 5oz golden caster sugar
  • 2 med/lge eggs, beaten
  • 4-5 tbsp milk
  • icing sugar, for dusting

Streusel Topping

  • 4oz wholemeal self-raising flour (for a crunchier contrast bite)
  • 3.5oz margarine
  • 3.5oz golden GRANULATED sugar (for a crunchier contrast bite)
  • 1/4 tsp ground ginger


  1. Preheat fan oven to 170 deg C, then grease a 9" spring-form round cake tin with a little margarine.

  2. Make the streusel topping by sifting the flour & ginger into a bowl then mix in the sugar & finish by rubbing in the margarine until the mixture resembles uneven, coarse crumbs of varying sizes. Set aside.

  3. To make the cake, sift the flours, cinnamon & salt into a bowl. Split the flour mix 50/50 into 2 bowls & into one, add the cocoa & mix well.

  4. In a separate bowl, place the margarine & sugar & beat with a wooden spoon until light & fluffy. Gradually beat in the eggs to avoid splitting (if it does add a tbsp of the flour mixture) & divide the mixture into two separate bowls. Into one bowl gradually fold in the white flour mixture & into the other bowl fold in the cocoa flour mix. Mix both with the milk.

  5. Mash the bananas in a small bowl with a fork. Spoon the two contrasting cake mixtures alternately into the prepared tin, swirl with a skewer to give the marbling effect & level. Cover with the mashed bananas & scatter over the raisins. Then evenly sprinkle over the streusel topping crumb mixture.

  6. Bake in the centre of the preheated oven for 1 hour or until firm to the touch with a crunchy golden top ( & a skewer pulls out clean). Leave to cool in the tin before opening the side. Dust the cake with icing sugar before serving.

  7. Delicious served slightly warm with vanilla ice-cream for an indulgent treat!

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