Ingredients

  • 100 g walnuts, finely chopped
  • 3 None eggs, separated
  • 1 pinch salt
  • 210 g caster sugar
  • 50 g breadcrumbs
  • 3 tbsp plain flour
  • 1/2 tsp baking powder
  • 100 ml rum
  • 250 g mascarpone cheese
  • 300 g cream cheese
  • 50 ml strong coffee
  • 1 tsp vanilla extract

Method

  • Preheat oven to 325°F. Grease and flour an 8 inch square cake pan.
  • Whisk together egg yolks, 1/3 cup sugar and a pinch of salt. Mix together breadcrumbs, flour, baking powder and nuts then mix in egg yolk mixture and rum. Whip egg whites to stiff peaks, gradually adding 1/3 cup sugar. Fold into nut mixture. Transfer to prepared pan and bake for 20-25 mins. Let cool in pan on a wire rack for 15 mins then remove from pan and let cool completely.
  • Cut cake in 1/2 horizontally. Mix mascarpone, cream cheese, coffee, vanilla extract and remaining sugar. Spread over bottom cake layer then top with remaining cake layer. Chill for 2 hours then cut into squares and serve.