Ingredients
Method
1.Using an electric beater, beat egg yolks in a heatproof bowl for 3-5 minutes, until pale and thick. Place bowl over a saucepan of simmering water and continue beating, gradually adding sugar and marsala, until mixture is thick and fluffy. Remove from heat, beat until mixture gels to room temperature.
2.Beat mascarpone until smooth and fold in cream. Fold into egg mixture.
3.Combine Tia Maria and coffee Arrange half of sponge fingers in a serving bowl. Brush with coffee mixture and top with half of cream mixture.
4.Arrange remaining biscuits over cream, brush with coffee mixture and cover with remaining cream mixture. Cover with plastic wrap and chill for several hours.
5.To serve, dust with cocoa and spoon into serving bowls.