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          3 eggs 
          100 g/4 oz caster (superfine) sugar 
          100 g/4 oz/1 cup plain (all-purpose) flour 
          30 ml/2 tbsp brandy 
          Caster (superfine) sugar for sprinkling 
          For the filling and decoration: 
          300 ml double (heavy) cream 
          15 ml/1 tbsp caster (superfine) sugar 
          250 g/9 oz/1 large can chestnut puree 
          175 g/6 oz plain (semi-sweet) chocolate 
          15 g/1 tbsp butter or margarine 
          30 ml/2 tbsp brandy  | 
        
        
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          Method: 
          
          Whisk together the eggs and sugar until 
          until pale and thick. Gently fold in the flour and brandy with a metal 
          spoon. Spoon into a greased and lined 30 x 20 cm/12 x 8 in Swiss roll 
          tin (jelly roll pan) and bake in a preheated oven at 220°C/425°F/gas 
          mark 7 for 12 minutes. Place a clean tea towel (dish cloth) on the 
          work surface, cover with a sheet of grease-proof (waxed) paper and 
          sprinkle with caster sugar. Invert the cake on to the paper. Remove 
          the lining paper, trim the edges and run a knife about 2.5 cm/1 in in 
          from the short edge, cutting half-way through the cake. Roll up the 
          cake from the cut edge. Leave to cool. 
          
           
          To make the filling, whip the cream and sugar until stiff. Sieve 
          (strain) the chestnut puree, then beat until smooth. Fold half the 
          cream into the chestnut puree. Unroll the cake and spread the chestnut 
          puree over the surface, then roll up the cake again. Melt the 
          chocolate with the butter or margarine and brandy in a heatproof bowl 
          set over a pan of gently simmering water. Spread over the cake and 
          mark into patterns with a fork. 
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