Prep time: 15 mins Refrigeration: 3 hrs Total time: 3hrs 15mins
Everyone's favourite no-bake slice, Mars Bar Slice is made with just 4 ingredients and takes only 15 minutes to make!  It's the no-bake slice that everyone should have in their recipe book!

No Bake Mars Bar Slice

Everyone’s favourite no-bake slice, Mars Bar Slice is made with just 4 ingredients and takes only 15 minutes to make!  It’s the no-bake slice that everyone should have in their recipe book!

no bake mars bar slice stacked on white tray

The greatest treats are the ones that never fail to bring back a flood of memories.  This no-bake Mars Bar Slice is definitely one of those treats!  My Nanna (Annie) always made this slice…and it was always irresistible!I love how quick and easy it is to make and my kids (ok and I) love how easy it is to eat.  A little too easy to eat…

If you’ve read my About Me you may know that this blog is dedicated to my Nanna.  So many of her beautiful recipes are my inspiration.  With this slice recipe, I had to adjust the quantities a little, as I’m pretty sure Mars Bars have reduced in size over the years….hmmm…

tower of mars bar slices

Just 4 Ingredients!

  1. Mars Bars:  because the size of Mars Bars has shrunk, I’ve had to adjust my Nanna’s recipe and now use 5 Mars Bars.
  2. Butter:  melted with the Mars Bars
  3. Rice Bubbles:  folded through the mixture for crunch
  4. Milk Chocolate:  for the topping

How to make this easy no-bake slice

Mars Bar Slice is one of the easiest treats to make!  Here’s what you do:

  • Chop the Mars Bars and melt in a saucepan with the butter
  • Fold the Rice Bubbles into the melted mixture
  • Pour into a lined pan and smooth
  • Top with melted chocolate, then refrigerate
  • Cut into squares and enjoy!

 

How to melt chocolate in the microwave

When melting chocolate in the microwave, you really need to keep an eye on it, as chocolate can seize up pretty quickly!  I use a 180g block of Cadbury Dairy Milk chocolate.  To melt it, you break it into single pieces, then pop it into a microwave safe bowl.  Plastic works better, as glass retains heat and will continue to heat the chocolate.  I microwave the chocolate on high for 1 minute, then remove the bowl and give the chocolate a good stir.  Continue to microwave the chocolate at 10 second bursts, stirring well in between.  It should only take a couple of bursts to get the chocolate lovely and smooth.

No microwave?

You can also melt the chocolate my placing it in a heatproof bowl and sitting it over a saucepan of simmering water.  Just stir until melted and smooth.

pouring melted chocolate over the mars bar slice

How to Cut Mars Bar Slice

Just a word of warning:  once cut, this Mars Bar Slice is going to disappear!  FAST!!  Here’s how I cut it:

  • After it’s been in the fridge for about an hour, I cut it into squares, then pop it back in the fridge until it’s completely set.  It’s easier to cut when it’s still not set
  • Or you can cut it once set by using a hot knife (dipped in hot water, then wiped).  The heat will melt the chocolate layer, but you may need to use a little muscle for the crispy caramel layer.

the finished result

Storing Mars Bar Slice

Once cut, simply place your squares of slice into a sealed container and leave in the fridge for a week.  Mars Bar Slice can also be frozen for up to 3 months.

I hope you enjoy this no-bake slice as much as we do!  For more great No-Bake recipes, check out:

No-Bake Lemon Slice

Coconut Bounty Balls

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tray of Mars Bar slice

No Bake Mars Bar Slice

The easiest, most crowd-pleasing no-bake Mars Bar Slice
4.84 from 6 votes
Prep Time 10 minutes
Cook Time 5 minutes
Course Dessert, Snack
Servings 16

Ingredients
  

  • 5 65g Mars Bars chopped
  • 150 g Butter cubed
  • 140 g Rice Bubbles
  • 180 g Milk Chocolate

Instructions
 

  • Grease and line a 22cm x 22cm pan with baking paper
  • In a medium size saucepan, melt the Mars bars and butter over low heat, stirring continually.
  • Use a balloon whisk to smooth and incorporate the mixture.
  • Add the Rice Bubbles to the saucepan and gently fold through, so that they are all coated.
  • Place mixture into prepared pan and smooth over.
  • Melt the milk chocolate by breaking into small pieces and placing in a microwave safe bowl.
  • Heat on high for 1 minute, then stir well
  • Continue to heat in microwave for 10 seconds at a time, stirring well in between. It should only take 2-3 bursts.
  • Pour melted chocolate over slice and spread with an offset spatula
  • Refrigerate until set, then cut into squares

Notes

Feel free to cut into smaller pieces.  This recipe gives 16 VERY generous squares
Keyword bar, chocolate, slice
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