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Double decker sandwich cookies

Ingredients

  • 150 g butter softened
  • 70 g light brown sugar
  • 70 g caster sugar
  • 2 tsp vanilla extract
  • 1 egg
  • 225 g plain flour
  • ½ tsp baking powder
  • Pinch salt
  • 50 g chocolate chips
  • Frosting
  • 115 g butter softened
  • 150 g light brown sugar
  • 1 tsp vanilla extrace
  • 125 g flour
  • ½ tsp salt
  • 50 ml milk
  • 1 double decker chopped

Instructions

  • Preheat oven to 170C.
  • Line two baking trays with parchment
  • To make the cookies cream the butter and sugar together until flffy
  • Add vanilla and egg and whisk until mixed together
  • Stir in flour, baking powder and salt.
  • Add 2/3 chocolate chips
  • Mix well and shape into balls. You should get around 40
  • Place on baking tray with gaps between and bake 7 minutes until golden and crisp
  • Make the frosting by mixing together the butter and sugar until fluffy
  • Add vanilla flour and salt and whisk
  • Add the milk and chopped double decker and whisk until combined
  • Put the frosting between two biscuits to make a sandwich