The Best Mars Bar Oat Bars

Mars Bar Oat Bars | Flapjack | Easy | Chocolate | Caramel | Tray Bake

These beautiful Mars Bar Oat Bars are something of a golden oldie for me! A recipe I have made many times for quite a number of years and one that is always very well received. Perfect for the Mars Bar lover in your life, this easy tray bake is a gorgeous flapjack style recipe I guarantee you will come back to again & again!

Here is what you will need to make 16 bars.

  • 4 x 33.8g Mars Bars
  • 60ml Double Cream
  • 100g Milk Chocolate
  • 125g Plain Flour
  • 90g Rolled Oats
  • 50g Soft Light Brown Sugar
  • 1/2 tsp Bicarbonate of Soda
  • Pinch of Salt
  • 140g Unsalted Butter, Cold

 

Essential Equipment

  • 20cm (8″) Square Baking Tin

 

Mars Bar Oat Bars Recipe

Preheat your oven to 200°C/Fan 180°C and lightly grease & line the base and sides of your baking tin.

Roughly chop 2.5 of the 4 Mars Bars and place into a small saucepan along with the double cream. Heat gently, stirring occasionally, until melted and smooth. Don’t worry if there are a few bits of nougat still in there.  Leave to one side to cool whilst you prepare the rest of the ingredients.

Mars Bar Oat Bars | Flapjack | Easy | Chocolate | Caramel | Tray Bake

Chop the remaining 1.5 Mars Bars & the 100g bar of milk chocolate into chunks and pop into the freezer. This will make sure that you end up with chunks of Mars Bar & chocolate in the centre rather than just melted goo.

Mars Bar Oat Bars | Flapjack | Easy | Chocolate | Caramel | Tray Bake

Meanwhile, sift the flour into a large bowl. Then add in the oats, light brown sugar, bicarbonate of soda & salt and give it a mix. Cube up the butter and rub into the flour mix with the tips of your fingers until it forms a crumbly dough.

Mars Bar Oat Bars | Flapjack | Easy | Chocolate | Caramel | Tray Bake

Mars Bar Oat Bars | Flapjack | Easy | Chocolate | Caramel | Tray Bake

To Assemble

Press half the mixture into the prepared baking tin then scatter over the chopped Mars Bar pieces & chocolate chunks.

Mars Bar Oat Bars | Flapjack | Easy | Chocolate | Caramel | Tray Bake

Pour the melted Mars Bar mixture over the top…

Mars Bar Oat Bars | Flapjack | Easy | Chocolate | Caramel | Tray Bake

Finally crumble the remaining oat mixture evenly over the top and press gently.

Mars Bar Oat Bars | Flapjack | Easy | Chocolate | Caramel | Tray Bake

Then place into the oven to bake for 25 minutes until golden.

Mars Bar Oat Bars | Flapjack | Easy | Chocolate | Caramel | Tray Bake

Allow to cool completely in the tin before removing & slicing into 16 pieces. (4 x 4 grid.)

Store at room temperature in an airtight container (I prefer metal as they keep their crunch better) and consume within 5 days.

Mars Bar Oat Bars | Flapjack | Easy | Chocolate | Caramel | Tray Bake

How much do want to make some Mars Bar Oat Bars now eh?! I love those beautiful pockets of Mars Bar caramel goo that explode out the top! So chewy & delicious, seriously – this is one that you really need to try for yourself. Definitely a little more interesting than your standard flapjack that’s for sure!

I hope you enjoyed the post my lovelies, until next time.

Miss KitchenMason

Mars Bar Oat Bars | Flapjack | Easy | Chocolate | Caramel | Tray Bake“>
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4 thoughts on “The Best Mars Bar Oat Bars”

  1. Dionne Edwards says:

    I’ve been making these every other week for the past few months for my partner to take to work, safe to say his work mates are in love with them. I’ve had to start doubling the recipe to keep up with the demand. 🙂

    1. Miss KitchenMason says:

      Haha awesome! So glad you, your partner and all his work mates love them! 🙂

  2. Karly says:

    Don’t mind me, just drooling like a fool over here. Seriously contemplating skipping lunch and taking down a whole batch of these bad boys!

    1. Miss KitchenMason says:

      Haha! Glad you like the post so much Karly 🙂

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