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person16 cookies
time 20 minutes


  • 115g butter
  • 175g light brown sugar
  • 25g golden syrup
  • 1 medium egg
  • 1 tsp vanilla paste
  • 115g bread flour
  • ½ tsp baking powder
  • (Scant) Bicarbonate of Soda
  • ½ tsp salt
  • 125g milk chocolate chips
  • 50g digestives crushed finely
  • 20g oats
  • 16 marshmallow pieces


  • In a food mixer with a paddle attachment, beat the butter, sugar and syrup together until light and fluffy.
  • Beat the egg in a separate bowl and mix in the vanilla paste. Add this to the beaten butter and sugar and mix.
  • Fold in all the remaining ingredients except the marshmallow pieces. Mix well to form a cookie dough.
  • Weigh out 40g balls of dough and place them on a glass baking tray lined with baking parchment. Flatten the dough balls slightly and leave enough room for them to spread.
  • Chill the cookie dough for at least an hour before baking in a preheated 180°C oven.
  • Bake for 15 minutes. Add a marshmallow to the centre of the cookie and bake for a further 5 minutes. Remove from the oven and let the cookies cool on a rack.
  • Get 3 kitchen lab beakers, and fill each with milk. Pierce a whole through each marshmallow cookie and insert straw. 

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