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    Home » Recipes » Bars Brownies & Slices

    Cookies & Cream Slice

    Published: Jun 12, 2023 by Lucy · This post may contain affiliate links · 15 Comments

    Jump to Recipe

    A delicious 5 ingredient no-bake Cookies & Cream Slice recipe with a crunchy Oreo chocolate base and a sweet cookies & cream chocolate topping.

    The perfect chocoholics treat that takes just 20 minutes to prepare!

    Squares of cookies and cream slice stacked on top of each other.

    For chocolate lovers everywhere, this cookies & cream no-bake slice recipe is a hit!

    5 ingredients, BIG, sweet, creamy flavours..... this is what I love about a simple no-bake slice!

    There's the classics such as chocolate hedgehog and lemon coconut slice, but there's also so many other simple no-bake slices all made with the same basic formula - crushed biscuits mixed with sweetened condensed milk, and topped with delicious toppings!

    Crunchy Coconut Chocolate Slice, Mars Bar Slice, the most popular Licorice Allsort Slice, Caramello Slice, Peppermint Chocolate Slice and Clinkers Slice are just a few quick and easy ones that come to mind.

    What's your favourite?

    Why You're Going To Love This Recipe

    Oreos and Cookies & Cream Chocolate are the perfect combination!

    • So quick and easy - there's minimal time and effort required to prep this slice, then just chill.... no baking required!
    • Perfect for young cooks to help with - they can mix the biscuit crumbs, press into the tin, spread the cookies and cream chocolate over - and then lick the spoon!
    • Lunch box favourite - you only need a small square for a lunchtime treat!
    • Suitable for every occasion - make this simple slice when you need to take a plate to share, for a gift, a cake stall or bake sale, a late night treat with coffee, or a lunch box addition. But beware.....it's VERY addictive!
    • Freezer friendly - this slice can be frozen for up to 3 months.
    A slice with a chocolate base and a white chocolate crunchy top.

    What You Need

    You don't need a pantry full of baking ingredients for this cookies & cream slice - just 5 simple ingredients!

    Note: Scroll to the recipe card at the bottom for the ingredients quantities and full detailed method!

    Ingredients for a no bake slice set out on a bench top.

    For The Base

    • Chocolate biscuits - such Arnott's Chocolate Ripple, or any variety of crunchy chocolate biscuits or cookies.
    • Oreo cookies - these sweet little mouthfuls have been the favourite sandwich cookie in the US for over 100 years!
    • Sweetened condensed milk - I use Nestle condensed milk, and recommend using the full fat version for best flavour and because it also sets the base of the slice firmer.
    • Butter - salted or unsalted, either are suitable for use in this recipe.

    For The Topping

    • Cookies and Cream chocolate - there's a few different brands available such as Cadbury, Oreo, Darrell Lea Cookies & Cream, Hersheys Cookies & Cream, or Nestle Milky Bar Cookies etc.
    • Coconut Oil - or a mild vegetable oil (optional). This helps to stop the chocolate from cracking when it's cut into slices.
    Squares of slice with one having a bite taken out of it.

    Equipment Required

    If you haven't got a food processor or Thermomix, you can always crush the biscuits with a rolling pin. Popping them in to a plastic bag makes it easier to crush - less mess!

    • Food processor or Thermomix- to crush the biscuits.
    • Microwave, Thermomix, or saucepan and stove top - to melt the chocolate.

    Step By Step Instructions

    The sweet little Oreo cookies add an extra creamy level to the chocolate base - which is perfectly complemented with a layer of cookies and cream chocolate on top!

    Note: Scroll to the recipe card at the bottom for the ingredients quantities and full detailed method!

    Step 1 - Crush The Biscuits And Make The Base

    Prepare a 18cm x 28cm rectangular slice tray by greasing and lining it with baking paper.

    Crush the chocolate biscuits and Oreos until they resemble fine crumbs.

    Add the sweetened condensed milk and melted butter and mix well to combine. Add a little more sweetened condensed milk if your mixture is too crumbly.

    Condensed milk poured over crcushed chocolate biscuits.

    If using a Thermomix: Place the butter into the Thermomix bowl and melt for 2 minutes on 80 degrees, Speed 2 (or until melted). Add the chocolate biscuits and Oreo cookies to the Thermomix bowl and blitz for 5 seconds on Speed 8. Scrape down the sides of the bowl and repeat for a further 5 seconds. 

    Add the condensed milk and mix for 15 seconds on Reverse, Speed 4, or until well combined. If the mixture is too crumbly, add a little more condensed milk and mix for 10 seconds on Reverse, Speed 4. 

    Crushed biscuits mixed well with butter and condensed milk.

    Step 2 - Press Base Into Tin

    Press the biscuit mixture firmly into the lined tin and then place in the refrigerator.

    The crushed biscuit mix pressed into a paper lined slice tin.

    Step 3 - Melt The Chocolate

    Break the Cookies & Cream chocolate into pieces and place into a microwave-safe bowl.

    Cookies and cream chocolate broken into pieces in a clear glass bowl.

    Add the coconut oil and melt in the microwave on 50% power for 3-4 minutes (stirring every 30 seconds), until just melted. 

    If using a Thermomix: Break the Cookies & Cream chocolate into pieces and place into a clean and dry Thermomix bowl. Add the coconut oil and melt for 3-4 minutes on 50 degrees, Speed 2 (or until melted and smooth). 

    Melted cookies and cream chocolate in a bowl.

    Step 4 - Spread Chocolate Topping Over The Base

    Pour the melted chocolate over the chocolate base and place back into the fridge for 3-4 hours to set. 

    White chocolate topping poured over biscuit base in a slice tin.

    Expert Tips

    The perfect slice for the kids help with.. get them crushing, mixing and melting!

    • If you are using a rolling pin to crush the biscuits, place them into a plastic bag first. It makes them so much easier to crush with no mess!
    • Choose a full fat sweetened condensed milk rather than a 'light' version for the richest flavour and also because it sets the slice base firmer.
    • You can store this slice in an airtight container in the fridge for up to one week.
    • Cookies and cream slice can be stored in an airtight container in the freezer for up to 3 months.
    • For expert tips of how to cut the perfect slice, check out my link here.
    Squares of cookies and cream slice on a cake stand.

    FAQs

    If I use a non-stick slice tray, do I still have to line it with baking paper?

    I recommend lining your tray with baking paper, as this makes cleaning up simpler, and much easier to remove the slice from the tin.

    Why do you add coconut oil to the chocolate layer?

    The addition of a little coconut oil (or vegetable oil) makes the chocolate topping much easier to cut without the chocolate cracking.
    See my tips for cutting slices perfectly.

    What's a suitable substitute for coconut oil?

    Any oil that has a mild neutral flavour, that is, it doesn't add a distinctive flavour to the chocolate layer. Suitable oils to use include a mild vegetable oil, canola oil or sunflower oil.

    A close up of squares of a no-bake chocolate slice.

    Related Recipes

    You can't go past a no-bake slice for speed and simplicity, and the choices are simply endless! Excuse me, I'm just going off to sample my cookies & cream slice again......

    • A completely no-bake Coconut Chocolate Slice with a crunchy coconut biscuit base and a crispy milk chocolate top. Delicious, quick and easy!
      No-Bake Coconut Slice
    • Pieces of Turkish Delight slice on a board.
      Turkish Delight Slice | No-Bake
    • A stack of licorice allsort slice pieces on a floral plate
      Licorice Allsort Slice | No-Bake
    • Our famous No-Bake Peppermint Chocolate Slice is now even better! A super easy sweet slice that only takes a few minutes to made!
      Peppermint Chocolate Slice | New & Improved Recipe

    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. 

    two layers of cookies & cream chocolate slice.

    Cookies & Cream Slice

    A delicious 5 ingredient no-bake Cookies & Cream Slice recipe with a crunchy Oreo chocolate base and a sweet cookies & cream chocolate topping.
    5 from 23 votes
    Print Pin Rate
    Course: Slices
    Cuisine: Chocolate, western
    Prep Time: 20 minutes minutes
    Chilling Time: 3 hours hours
    Total Time: 3 hours hours 20 minutes minutes
    Servings: 25 serves
    Calories: 195kcal
    Author: Lucy - Bake Play Smile

    Ingredients

    For The Base

    • 250 g chocolate biscuits (like Arnotts Choc Ripple)
    • 100 g Oreos
    • 200 g sweetened condensed milk full fat (not skim)
    • 80 g butter melted

    For The Topping

    • 350 g Cookies & Cream chocolate like Cadbury Oreo, Darrell Lea Cookies & Cream, Hersheys Cookies & Cream or Nestle Milky Bar Cookies etc
    • 2 tbs coconut oil or mild vegetable oil
    Prevent your screen from going dark

    Instructions

    Conventional Method

    • Grease and line a 18cm x 28cm rectangular slice tin with baking paper and set aside. 
    • Crush the chocolate biscuits and Oreos until they resemble fine crumbs. 
      Add the condensed milk and melted butter to the crushed biscuits and mix well to combine. If your mixture is too crumbly, add a little more condensed milk. 
      If using a Thermomix: Place the butter into the Thermomix bowl and melt for 2 minutes on 80 degrees, Speed 2 (or until melted). Add the chocolate biscuits and Oreo cookies to the Thermomix bowl and blitz for 5 seconds on Speed 8. Scrape down the sides of the bowl and repeat for a further 5 seconds. Add the condensed milk and mix for 15 seconds on Reverse, Speed 4, or until well combined. If the mixture is too crumbly, add a little more condensed milk and mix for 10 seconds on Reverse, Speed 4. 
    • Press the mixture firmly into the prepared tin and place into the fridge. 
    • Break the Cookies & Cream chocolate into pieces and place into a microwave-safe bowl. Add the coconut oil and melt in the microwave on 50% power for 3-4 minutes (stirring every 30 seconds), until just melted. 
      If using a Thermomix: Break the Cookies & Cream chocolate into pieces and place into a clean and dry Thermomix bowl. Add the coconut oil and melt for 3-4 minutes on 50 degrees, Speed 2 (or until melted and smooth). 
    • Pour the melted chocolate over the chocolate base and place back into the fridge for 3-4 hours to set. 
    • Cut into slices using a hot knife and store for up to 1 week in an airtight container in the fridge. 

    Notes

    RECIPE NOTES & TIPS
    • If you are using a rolling pin to crush the biscuits, pop them into a plastic bag first. It makes them so much easier to crush with no mess!
    • Choose a full fat condensed milk rather than a 'light' version for the richest flavour and because it sets the slice base firmer.
    • The addition of a little coconut oil or mild vegetable oil makes the chocolate topping much easier to cut without the chocolate cracking.
    • If you don't have coconut oil, then use any mild vegetable oil that won't impart a distinct flavour.
    • You can store this slice in an airtight container in the fridge for up to one week.
    • Cookies and cream slice can be stored in an airtight container in the freezer for up to 3 months.
    • For Expert Tips on how to cut the perfect slice, check out my link here.
    •  
    •  

    Nutrition

    Calories: 195kcal | Carbohydrates: 23g | Protein: 2g | Fat: 12g | Saturated Fat: 7g | Cholesterol: 10mg | Sodium: 100mg | Potassium: 100mg | Fiber: 1g | Sugar: 17g | Vitamin A: 100IU | Vitamin C: 0.2mg | Calcium: 30mg | Iron: 1.6mg
    Did you try this recipe?Mention @BakePlaySmileBlog or tag #BakePlaySmile!

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    Comments

    1. Zoe says

      October 15, 2023 at 12:34 pm

      Do you add the oreos with the cream whole or just the buscuit?

      Reply
      • Lucy says

        October 15, 2023 at 12:39 pm

        Hi Zoe, I'm not sure if I understand your question? There's not cream in this recipe. Can you clarify? xx

        Reply
        • Zoe says

          October 17, 2023 at 1:16 pm

          The Oreo filling/cream. Do you leave it in or take it out

          Reply
          • Lucy says

            October 18, 2023 at 7:32 am

            Leave it it 🙂

            Reply
            • Chelsea says

              March 09, 2024 at 12:51 pm

              This is amazing, my husband and kids loved it so much thank you, this recipe is my new go too.xx

            • Lucy says

              March 10, 2024 at 7:41 am

              Yay! I'm thrilled that you like it!

    « Older Comments
    5 from 23 votes (21 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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