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										Grind Marie biscuits finely. 
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										Mix grounded Marie biscuits with flour and salt. 
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										Add ground almonds and mix well. 
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										Separate egg yolks from egg whites. 
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										Cream butter, add egg yolks and vanilla extract gradually. Beat until soft and fluffy for 10 minutes. 
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										Add flour/almond mixture to butter mixture and mix well. 
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										Beat egg whites until foamy. Gradually add sugar and beat until egg whites form stiff peaks. 
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										Add egg white mixture to batter and fold gently. 
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										Add in chocolate rice and fold gently. 
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										Carefully pour cake mixture into a greased 9 inch round pan, lined with parchment paper. 
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										Tap pan lightly on a hard surface to remove any trapped air in the batter. Place towel below pan to protect table. 
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										Bake in preheated oven at 180 C for about 40 to 50 minutes. Cake is cooked if skewer inserted into deepest part comes out clean. 
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										Place on a cooling rack before unmolding.