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Chocolate Swiss Roll with Lime Cream Cheese Filling

Ingredients

For the pattern

  • 1 Egg large
  • 43 g approx Icing Sugar
  • 43 g approx Butter
  • 43 g approx Plain flour
  • Green food colouring

For the sponge

  • 4 Eggs large
  • 110 g Caster Sugar
  • 1 tsp Cream of Tartar
  • 60 g Butter
  • 75 g Plain flour
  • 25 g Cocoa powder

For the filling

  • 20 g Butter
  • 100 g Cream cheese
  • Zest and Juice of 1 Lime
  • 300 g Icing Sugar

Instructions

  1. Start with the mixture for the pattern
  2. Separate one egg and weigh the white of it
  3. Mix together the same weight of icing sugar and butter.
  4. Add the egg white to the mixture and combine well
  5. Then add the same weight of plain flour and mix well
  6. Add green food colouring until it reaches the shade you want
  7. Put the mixture into a piping bag and snip the end of the bag off with some scissors
  8. Onto a lined baking tray, pipe diagonal lines, or a pattern of your choice
  9. Put the tray into the freezer for one hour
  10. To make the chocolate sponge start by separating 4 eggs
  11. Into the egg whites, add the caster sugar and cream of tartar and mix with a food mixer or electric hand whisk to create stiff peaks
  12. Into the egg yolks, add the other half of caster sugar and whisk together
  13. Fold the egg white mixture into the egg yolk mixture in three lots
  14. Melt the butter and add it to the egg mixture along with the plain flour and cocoa powder in two batches, folding in gently between each batch
  15. Take the frozen 'pattern' tray out of the freezer and pour the mixture over it, give the tray a couple of bangs on the work surface to make sure there are no gaps.
  16. Bake on 180C/160C Fan/350F/Gas Mark 5 for approx 7 - 8 minutes. When it is done, immediately flip it out onto some baking paper and peel off the paper on the top to reveal the pattern
  17. Flipped it back over again onto some fresh baking paper and roll it up, taking the baking paper with it. Leave it to cool completely
  18. To make the cream cheese filling mix together butter, cream cheese, lime juice and lime zest, and icing sugar
  19. Unroll the sponge, spread the filling over it, then re-roll it