Member recipe

Double Chocolate & Marshmallow Flapjacks

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Cooking time

Prep: 10 minutes Cook: 20 minutes Cooling - 30 mins

Skill level



16 squares

Why have a normal flapjack when you can have one packed with chocolate & gooey marshmallows?! Find the recipe here:

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  • 100g butter/ margarine
  • 250g oats
  • 25g muscavado/ soft brown sugar
  • 150g milk chocolate (use dark if you prefer)
  • 5 tbsp golden syrup
  • 75g white chocolate
  • 75g marshmallows


  1. Preheat the oven to 160°c/ 140° fan/ gas mark 3 and line a square baking tin (approximately 25cm square) with greaseproof paper.

  2. In a glass bowl weigh out your butter, sugar and milk chocolate. Melt this over a pan of hot water making sure the water doesn’t touch the bowl.

  3. Stir in the golden syrup to this mixture.

  4. In a separate bowl weigh out your oats and pour the melted mixture in, stirring until it is fully combined.

  5. Break your white chocolate up into chunks and cut up your marshmallows into pieces and add them to the mixture. Make sure they are evenly distributed so that every piece of flapjack will have plenty in.

  6. Put this mixture into the tin and spread out evenly, popping it into the oven for around 20 mins. It’ll be ready once the mixture has firmed up a little and the marshmallows have bubbled up but not browned too much, doesn’t matter if they are a little bit golden on top.

  7. Allow the flapjack to completely cool in the tin and then turn out onto a work surface. (If they are still a little too soft and gooey put them in the fridge for 10-15 mins.)

  8. Cut the block into 16 pieces (4x4.)

  9. Eat and enjoy!

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