Marshmallow Slice

This classic and super easy marshmallow slice is sure to be a crowd pleaser! I’ve been craving this slice for so long! I’ll probably eat most of it by myself. This recipe will fill a whole lamington sized tray and I recommend you cut the slices small because it’s pretty sweet. ENJOY!


  • 4 Weet-bix – crushed
  • 1 cup brown sugar
  • 1 cup coconut
  • 1 cup self-raising flour
  • 125g butter – melted
  • 2 cup caster sugar
  • 1 1/4 cup water
  • 2 tablespoons gelatine powder
  • food colouring.


  1. Preheat oven to 180°c
  2. Combine weet-bix, coconut, brown sugar and flour. Pour in melted butter and mix well.
  3. Press mixture into a lamington sized tray using a spatula to make sure it’s firmly pushed down.
  4. Bake base for 15 minutes and set aside to cool.
  5. Soak gelatine in 1/2 cup of water and set aside to set.
  6. Place caster sugar and 3/4 cup water in a large saucepan and bring to the boil. Boil for 3 – 4 minutes.
  7. Add gelatine to sugar mixture and allow to cool.
  8. Once sugar mixture has cooled, use an electric mixer and mix on high for 6 minutes until thick.
  9. Add food colouring and spread on top of the base.
  10. Allow to set for 1 hour.

Store in the fridge for 3 days in an airtight container.

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