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    Home » Recipes » Recipes

    Peppermint Chocolate Slice | New & Improved Recipe

    Modified: May 14, 2025 · Published: Aug 12, 2019 by Lucy · This post may contain affiliate links · 32 Comments

    Jump to Recipe
    Our famous No-Bake Peppermint Chocolate Slice is now even better! A super easy sweet slice that only takes a few minutes to made!

    Our famous No-Bake Peppermint Chocolate Slice is now even better! A super easy sweet slice that only takes a few minutes to make!

    Our famous No-Bake Peppermint Chocolate Slice is now even better! A super easy sweet slice that only takes a few minutes to made!

    No-Bake Peppermint Slice

    When it comes to quick and easy slices, you can't go past a n0-bake slice recipe. This recipes takes only 10 minutes to prepare and tastes absolutely AMAZING! It's going to become your favourite slice in no time at all!

    Chocolate slice with peppermint chocolate and chilled in the refrigerator.

    Ingredients For Peppermint Chocolate Slice

    • sweetened condensed milk
    • butter
    • Cadbury peppermint chocolate 
    • cocoa powder
    • peppermint extract (optional)
    • plain sweet biscuits (like Arnott's Marie biscuits or a plain sugar cookie or butter cookie). 
    • white chocolate
    • coconut oil
    • green food colouring

    A block of peppermint chocolate, condensed milk and butter.

    How To Make Peppermint Chocolate Slice 

    Step 1 - Crush the biscuits

    Use a food processor or Thermomix to crush the biscuits into crumbs (it's fine for some larger chunks to remain). Stir through the cocoa powder. 

    Plain biscuits in a bowl.

    A bowl of crushed biscuits and cocoa powder.

    Step 2 - Melt the butter, peppermint chocolate and sweetened condensed milk 

    Melt in the microwave (or Thermomix) until smooth. 

    A bowl of chocolate, butter and condensed milk.

    Melted chocolate over chocolate biscuit crumbs.

    Step 3 - Mix together

    Pour the chocolate mixture over the biscuit crumbs and mix to combine. Press into a lined slice pan and place into the fridge. 

    Chocolate mint slice mixture in a bowl.

    Chocolate slice mixture pressed into a tin.

    Step 4 - Prepare the chocolate topping layer

    Melt the white chocolate and coconut oil in the microwave on 50% power. Pour over the chilled slice and swirl through drops of green food colouring. 

    White chocolate poured over a chocolate slice.

    Green food colouring drops on top of white chocolate.

    How To Swirl Food Colouring Through Chocolate

    A chocolate swirled top layer is my absolute favourite way to finish a no-bake slice. It looks so effective but is actually really simple to do (just like in my pink Turkish Delight Slice version). 

    Here's my top tips for getting this pretty finish to your white chocolate layer: 

    1. Add coconut oil to the white chocolate when melting (this makes it easier to swirl the food colouring through later on). 
    2. Work quickly - you don't want the chocolate to set while you're still swirling!
    3. Add small (think... tiny!) drops of food colouring all over the slice - if the drops are too big, they won't set. 
    4. Use a skewer or a knife to swirl the food colouring through in circular motions. 

    Watch the video below to see it in action!

    Green food colouring swirled through white chocolate.

    The BEST No-Bake Slice Recipes

    It's no secret that I'm 100% obsessed with no-bake slices... so click here a few more of my absolute favourites!  Or check out my favourite top 5 below:

    1. Turkish Delight Slice
    2. Caramello Slice
    3. Hedgehog Slice
    4. Jelly Slice
    5. Clinkers Slice

    Chunks of crushed cookies in a chocolate slice base.

    A unbaked chocolate mint slice made from peppermint chocolate.

    WANT EVEN MORE DELICIOUS RECIPES? Subscribe to my newsletter or follow along on Facebook or Instagram. And if you love baking, then please come and join my Facebook cooking club group or subscribe to my YouTube channel. 

    Our famous No-Bake Peppermint Chocolate Slice is now even better! A super easy sweet slice that only takes a few minutes to made!

    New & Improved No-Bake Peppermint Chocolate Slice

    Our famous No-Bake Peppermint Chocolate Slice is now even better! A super easy sweet slice that only takes a few minutes to make!
    5 from 48 votes
    Print Pin Rate
    Course: bars and slices
    Cuisine: no bake slice
    Prep Time: 10 minutes minutes
    Chilling time: 2 hours hours
    Total Time: 2 hours hours 10 minutes minutes
    Servings: 20 serves
    Calories: 160kcal
    Author: Lucy - Bake Play Smile

    Ingredients

    • 250 g plain sweet biscuits (see notes)
    • 2 tbs cocoa powder
    • 100 g butter
    • 200 g Cadbury Peppermint chocolate
    • 300 g sweetened condensed milk
    • 1-2 drops peppermint extract optional
    • 250 g white chocolate
    • 2 tbs coconut oil
    • 3-4 drops green food colouring
    Metric - US Customary
    Prevent your screen from going dark

    Instructions

    Conventional Method

    • Grease and line a 16cm x 22cm rectangular slice tray with baking paper and set aside.
    • Crush the biscuits in a food processor (leaving a few larger chunks). Place into into a mixing bowl.
    • Sift the cocoa into the bowl.
    • Melt the butter, peppermint chocolate and condensed milk in the microwave on 30 second bursts (50% power) until melted and combined - stir between each burst.
    • Pour the chocolate mixture over the biscuit crumbs. Add the peppermint essence and mix well to combine.
    • Spread mixture into a baking paper lined slice pan.
    • Meanwhile, melt the chocolate and coconut oil in the microwave on 50% power (stirring regularly). Pour the melted chocolate over the slice.
    • Working quickly, add a couple of drops of green food colouring to the white chocolate and swirl with a skewer.
    • Place the slice into the fridge until it feels 'tacky' but the chocolate hasn't set completely hard.
    • Take out of the fridge and slice into squares.
    • Store in an airtight container for up to 5 days.

    Thermomix Method

    • Grease and line a 16X22cm rectangular slice tray with baking paper and set aside.
    • Place the biscuits into the TM bowl and roughly chop by pressing Turbo 5-10 times (you still want a few larger chunks). Remove and set aide.
    • In a clean TM bowl, place the condensed milk, butter and peppermint chocolate. Melt on 80 degrees, 3 minutes, Speed 2.
    • Add the cocoa powder and peppermint essence and mix on Speed 5, 10 seconds. Scrape down the sides of the bowl.
    • Add the crushed biscuits and mix on Reverse Speed 3 (using the spatula to assist) until combined (you may need to scrape down the sides of the bowl and repeat).
    • Spread mixture into a baking paper lined slice pan.
    • Melt the chocolate and coconut oil in a clean Thermomix bowl on 80 degrees, 3 minutes, Speed 2.
    • Pour the chocolate over the slice.
    • Working quickly, add a couple of drops of green food colouring to the white chocolate and swirl with a skewer.
    • Place the slice into the fridge until it feels 'tacky' but the chocolate hasn't set completely hard.
    • Take out of the fridge and slice into squares. Store in an airtight container for up to 5 days.

    Notes

    RECIPE TIPS & TRICKS
    Types Of Cookies To Use: You can use any type of plain sweet cookies for the base (like graham crackers if you’re in the US, Arnott’s Marie biscuits if you’re in Australia or digestive biscuits).
    Peppermint Chocolate: Cadbury peppermint chocolate can be bought in any supermarket in Australia or New Zealand. It has a milk chocolate outer layer filled with smooth peppermint filling. You can substitute for any soft filled peppermint chocolate block. 
    Peppermint Extract: Adding a couple of drops of peppermint extract to the slice gives it an extra peppermint flavoured boost. You can purchase peppermint extract from the baking section of most supermarkets (near the vanilla extract). You can omit the peppermint extract if you prefer. 
    Green Swirled Chocolate Layer: To achieve the green swirled effect, add coconut oil to the white chocolate when melting (as this makes it easier to swirl the food colouring through). Add tiny drops of food colouring all over the slice and use a skewer or a knife to swirl the food colouring through in circular motions. 
    Cutting The Slice: To cut the perfect slices, use a hot dry knife (run it under very hot water and then dry it with a tea towel) to gently score the chocolate layer. Once the chocolate layer has been scored through, press down firmly with the knife. 
    Storing The Slice: Store the slice in an airtight container for up to 5 days or freeze for up to 2 months. The slice can be stored in the fridge or at room temperature. 

    Nutrition

    Calories: 160kcal | Carbohydrates: 15g | Protein: 2g | Fat: 10g | Saturated Fat: 6g | Cholesterol: 18mg | Sodium: 66mg | Potassium: 96mg | Fiber: 0g | Sugar: 14g | Vitamin A: 170IU | Vitamin C: 0.4mg | Calcium: 64mg | Iron: 0.2mg
    Did you try this recipe?Mention @BakePlaySmileBlog or tag #BakePlaySmile!

     

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    Comments

    1. Sezzy says

      April 29, 2024 at 8:41 pm

      5 stars
      This slice is delicious I’ve made it twice now and will keep making it
      It’s not to strong just the right amount of peppermint even my fussiest son likes it and everyone else who’s tried it!! Thank you for another yummy recipe!!

      Reply
    2. Jacqueline says

      September 15, 2022 at 6:54 pm

      5 stars
      Absolutely loved it!
      Quick and easy, super tasty!

      Reply
      • Heather says

        August 20, 2024 at 9:11 pm

        5 stars
        Made this for girl friend party event.
        It went so quick.
        So yummy

        Reply
    3. Ash says

      July 21, 2022 at 5:56 pm

      5 stars
      Loved this one!!

      Reply
    4. Michelle Frossa says

      July 25, 2021 at 1:25 pm

      Has any one tried this with caramello chocolate rather than peppermint ?

      Reply
      • Lucy says

        July 26, 2021 at 3:41 pm

        This might be helpful! https://bakeplaysmile.com/caramello-slice/

        Reply
        • Fish says

          August 23, 2022 at 12:27 pm

          5 stars
          Try using choc ripple biscuits instead of plain. Trust me, it tastes amazing.

          Reply
          • Lucy says

            August 24, 2022 at 7:46 am

            Fantastic!

            Reply
      • Toniann says

        October 02, 2021 at 4:19 pm

        Yes I did with Cadbury caramello chocolate and used Cadbury Caramilk chocolate for the topping. It went down a treat

        Reply
    5. Jenny Edwards says

      May 12, 2021 at 6:10 pm

      5 stars
      I made this slice for our school's cake stall on the weekend. On Monday i had a mum came in to the office to ask if i knew who made the slice as she wanted to get the recipe. 5 stars for this Peppermint Slice.

      Reply
      • Lucy says

        May 12, 2021 at 7:38 pm

        That's SO amazing to hear! Well done!!

        Reply
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    5 from 48 votes (39 ratings without comment)

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    I’m Lucy! A mum, a wife, a food blogger and a lover of all things to do with food! I love creating delicious, no-fuss Thermomix and conventional recipes the whole family will love. Classic baking favourites, lunch box snacks, quick and easy family dinners and more!

    More about me →

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