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Mars Bar Slice
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5 from 5 votes

Mars Bar Slice

Prep Time20 mins
Cook Time10 mins
Total Time3 hrs


  • 115 g Butter or Margarine
  • 230 g Mars Bars (roughly chopped)
  • 100 g Rice Krispies
  • 250 g Milk Chocolate


  • Line a 11x7inch (27.9x19.8cm) inch baking tray with some greaseproof paper and set aside.
  • In a large bowl, melt the butter/margarine and Mars Bars over a bain marie, or in short bursts in a microwave.
  • Add the rice krispies to the melted ingredients and mix well, ensuring all are coated.
  • Tip into your prepared baking tray and push down with the back of a spoon, ensuring an even finish right into the corners. Set aside.
  • Melt the milk chocolate over a bain marie, or in short bursts in the microwave, before spreading over the top of your rice crispy base.
  • Place into the fridge to set for at least a few hours or ideally overnight. Cut into your desired portion sizes to serve.