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Chocolate Overload Slice

Saturday, 24 January 2015
This slice is the invention of my 8yo, she made it when we had our After School Club session last week.  It is great to be able to spend time with her and watch her bake, make or craft whilst having a chat.
We started with a Tiffin base then added a layer of marshmallows followed by a layer of melted chocolate then sprinkles.  Everything sweet and baked needs sprinkles, it's the law, so says 8yo. Who am I to disagree?

Chocolate Overload Slice

4 Tblsp golden syrup
125g butter
250g shortbread finger biscuits
4 Tblsp cocoa powder
75g raisins
200g pack marshmallows
250g plain chocolate, roughly chopped

We used a microwave to make this slice, you could use a bowl set over a saucepan of simmering water instead.  Measure the golden syrup and butter into a large pyrex jug or non-metallic bowl.  Melt in the microwave on full power for about 1.5 - 2 minutes in 30 second bursts.  

Whilst the butter and syrup are melting, put the biscuits into a plastic bag, seal it and gently crush the biscuits.  You want small chunks of biscuit, not totally crushed to crumbs, so don't be too vigorous.  

Once the butter and golden syrup have melted, mix them together until totally combined.  Then add the cocoa and mix until completely incorporated.  Finally mix in the raisins and the crushed biscuits.

Pour the mix into a lined tin and spread it out evenly then level the surface.  Put the marshmallows into a microwave safe bowl or jug and heat on full power for about 45 seconds until melted.  Pour over the tiffin base.

Finally, heat the chocolate in the microwave in 30 second bursts for a total of 2 - 3 minutes until melted.   Alternatively you could put the chocolate in a bowl set over a saucepan of simmering water and stir until melted.  

Pour the melted chocolate evenly over the melted marshmallow layer and carefully spread it out to completely cover the slice.  Sprinkle over some sugar stars or other sprinkles if you want.

Put the tiffin in the fridge for at an hour to set.  Cut into small squares to serve.


  1. This looks absolutely luscious not to try. I love chocolate.

  2. What a talented 8 year old you have, but then look who is she as a mum ;) they look scrumptious x

  3. This looks so yummy. Your little girl did a great job with this :)

  4. Looks delicious!! Something I'll be doing today with my daughter :) which size tray / tin did you use?? X

    1. We used a Swiss Roll/Brownie tin to make these :) You could use a 20cm square cake tin if you wanted the slices to be thicker/higher.


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