For the dough:
For the filling:
1. Preheat oven to 400°. Line the bottom of a jelly-roll pan with wax paper.
2. With electric beater beat yolks with sugar until smooth and pale; add nuts and chocolate. Mix well.
3. Beat egg whites until stiff peaks. Carefully fold into the egg yolks.
4. Spoon mixture into the pan, spreading batter evenly. Bake 12-14 minutes until springy to touch.
5. Loosen edges of cake, invert on a clean dish towel lightly dusted with cocoa powder. Peel off paper carefully. Starting form short side, roll cake and towel up together and cool on wire rack. Unroll, remove towel and sprinkle the cake with the fruit. Spread with the cream. Roll again and wrap in foil. Chill 1 hour. Decorate with fruitand whipped cream.