Ultimate Mars Bar Slice

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READY IN: 30mins
Recipe by GlamAtomic

I remember learning how to make this in the 4th Grade back in Australia. It is still delicious and an absolute hit when I make it now, many moons later! In the U.S., I sub Milky Way Bars for Mars Bars. (Please note: cooking time does not include refrigeration time)

Ingredients Nutrition

  • 8 ounces Mars bars (chopped) or 8 ounces Milky Way bars (chopped)
  • 12 cup unsalted butter
  • 3 cups rice bubbles or 3 cups Rice Krispies
  • 8 ounces milk chocolate chips
  • 18 cup unsalted butter (extra)


  1. Grease a 9 x 9 pan with butter.
  2. On low heat in a medium saucepan, combine Mars Bars (or Milky Ways) and 1/2 cup Butter.
  3. Stir constantly until the mixture is smooth and melted.
  4. Remove from heat and fold in Rice Bubbles / Rice Krispies
  5. Press into the 9 x 9 pan.
  6. In a small saucepan, melt together the Chocolate Morsels and 1/8 cup Butter
  7. Once melted, spread over the top of the Rice Bubbles / Rice Krispies mixture in pan.
  8. Refrigerate until chocolate is set.
  9. Slice, serve and enjoy!

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