Mars Bar Stuffed Cookies

If there’s one thing that owning a bakery has taught me it’s that there isn’t anything quite as satisfying as stuffing sweet treats inside bigger sweet treats.  It’s a madness really, is there anything that won’t go inside a cookie? I’m dying to find out. If they all turn out like these mars bar stuffed cookies then Heaven really is a place on Earth.

What better way to indulge your sweet tooth than stuffing a mars bar into a chocolate chip cookie.

If you haven’t tried a hot Mars Bar you seriously haven’t lived.  When I was young I’d often be found melting the chocolate bars in the microwave and slobbering over a spoon of molten caramel and nougat.  I’ve never forgotten how utterly amazing it tasted and since I no longer own a microwave I figured stuffing them into cookies and eating hot from the oven is the next best thing.

What better way to indulge your sweet tooth than stuffing a mars bar into a chocolate chip cookie.

Now I’ve gone and rammed a chocolate bar into a cookie, my brain is working overtime on new combinations.  Snickers in a peanut butter cookie, a brownie in a chocolate cookie.  The possibilities for me getting fatter are endless.

What better way to indulge your sweet tooth than stuffing a mars bar into a chocolate chip cookie.

What better way to indulge your sweet tooth than stuffing a Mars Bar into a chocolate chip cookie

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Mars Bar Stuffed Cookies-

Mars Bar Stuffed Cookies

  • Author: Katie Deacon
  • Total Time: 0 hours
  • Yield: 12 cookies 1x


Units Scale
  • 275g unsalted butter, softened
  • 225g light brown sugar
  • 1tsp vanilla extract
  • 2 large eggs
  • 250g plain flour
  • 200g chocolate chips
  • 3 Mars Bars chopped into quarters


  1. Preheat oven to 175C and line two baking sheets with parchment.
  2. In the bowl of an electric mixer whip the butter and sugar together until light and creamy.  Add the eggs and vanilla extract, mixing well between each addition.  Add the flour and mix until combined, stir through the chocolate chips.
  3. Roll the cookie dough into 24 equal balls, around the size of a walnut.  Press a piece of Mars Bar into one of the balls, top with another ball and encase the Mars Bar in dough.  Flatten sightly and place on the prepared baking sheet, do the same with the remaining dough ensuring to leave enough room between the cookies to allow for spreading.
  4. Bake for 15 – 18 minutes until starting to turn brown around the edges.  Allow to cool for five minute before pouring yourself a glass of milk and digging in.
  • Prep Time: 20 minutes plus chilling
  • Cook Time: 18 minutes
  • Category: Cookies
  • Cuisine: Baking

Keywords: Cookies, Mars Bar Stuffed Cookies, Mars Bar, Chocolate Chip, Baking


  1. Emma Phillips
    November 16, 2015 / 8:40 am

    Sounds delicious! Absolutely have to try one 🙂

    • Katie Deacon
      November 16, 2015 / 4:46 pm

      You must!! Let me know how they turn out if you decide to make them 🙂

  2. Samantha Rickelton
    November 16, 2015 / 9:40 am

    Oh my days I've never thought about putting a chocolate bar in the microwave and eating with a spoon 😀 These cookies look fab xx

    • Katie Deacon
      November 16, 2015 / 4:46 pm

      Do it, you'll never look back!! A hot Mars Bar is life changing.

  3. The Wandering Pit
    November 24, 2015 / 12:46 pm

    These look and sound divine…to die for!!

  4. Jasmin Charlotte
    November 26, 2015 / 6:33 pm

    This look and sound amazing! You just can't go past a fresh, warm cookie can you? One of lifes best pleasures! xJasmin Charlotte

  5. Coffee, Cake, and Composition
    December 6, 2015 / 11:46 pm

    These look delicious. Will definitely have to try them!

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