Grate the lemon zest and squeeze the juice from the lemons.
  In a saucepan, mix the juice, zest, eggs, sugar and butter.
  Place over low heat and stir until you have a thick cream sauce.
  Blend the biscuits Petit Henry’s and pour a spoonful of melted butter over them.
  Place a layer of biscuits, a layer of lemon curd and repeat the operation.
  Set aside to cool.