A sweet and creamy no-bake peanut butter slice that takes just 10 minutes to prepare! Made from butter, peanut butter, crushed cookies, icing sugar and white chocolate. The perfect slice for those that have 'peanut butter and chocolate' cravings!

If there's one thing that Bake Play Smile is known for, it's no-bake slices!!
In fact my peppermint slice, hedgehog slice, lemon and coconut slice and Caramello slice are some of the most popular recipes on my little piece of sugary internet!
And why wouldn't my no-bake slices be so popular? They're incredibly quick (most take less than 10 minutes to prepare), super easy and there's no need to turn the oven on.
Winning!
Why You're Going To Love This Recipe
Let me start off by saying... there's a LOT to love about my Peanut Butter Slice recipe:
- no-bake - the perfect slice to make when you're craving something sweet but don't want to turn the oven on! Just mix and chill.
- quick & easy - whether you're a beginner baker or an experienced cook, there's no doubt that perfecting a no-bake slice recipe is achievable by absolutely anybody. And with just 10 minutes prep time, this couldn't be quicker to make!
- Reeses Peanut Butter Cups - if you love the famous peanut butter cups made by Reeses, then this is the slice for you! It has exactly the same creamy, melt-in-your mouth peanut butter flavour! (I've been truly devastated ever since Lindt discontinued their peanut butter Lindt Balls)....
- freezer-friendly - my peanut butter slice freezes and defrosts beautifully. Simply store in an airtight container in the freezer for up to 3 months and allow to defrost before consuming. I recommend placing sheets of grease-proof baking paper between each layer of slice when freezing.
- great for fetes & bake sales - this creamy peanut and chocolate flavoured slice is always popular with kids and adults alike.
What You Need
Just 5 basic ingredients!
Note: please scroll to the recipe card at the bottom of the post for the ingredient quantities and the full detailed method.
- butter - you can use salted or unsalted butter for this recipe. Personally, I prefer salted butter as it brings out the delicious sweet, salty, and creamy peanut flavours.
- peanut butter - it's important to use creamy store-bought peanut butter in this recipe (either smooth or crunchy). Natural or homemade peanut butter are not suitable for this recipe. I recommend Kraft or Bega peanut butter.
- plain sweet biscuits - you can use absolutely any plain sweet biscuits (or cookies as they're known in the US) for this recipe. I generally use Arnotts Marie biscuits.
- icing sugar - also known as confectioners sugar or powdered sugar.
- white chocolate - choose a white cooking chocolate or white chocolate melts for this recipe.
Step By Step Instructions
This simple 'melt and mix' no-bake peanut butter slice couldn't be easier to make.
Note: please scroll to the recipe card at the bottom of the post for the ingredient quantities and the full detailed method.
Step 1 - Crush The Biscuits
Using a food processor, Thermomix or blender, crush the biscuits until fine crumbs remain.
Note: You can use a rolling pin to crush them if you don't have a food processor, Thermomix or blender.
Step 2 - Melt
Melt the butter and peanut butter in the microwave on low heat. Stir until melted and combined.
Step 3 - Mix
Add the icing sugar and the crushed biscuits to the melted butter and peanut butter mixture.
Stir until well combined.
Step 4 - Press Into Tin
Press the mixture very firmly into the greased slice tin lined with baking paper.
Step 4 - Prepare The Icing
Melt the white chocolate and the extra peanut butter. Stir to combine.
Spread over the slice and then chill in the fridge before cutting and serving.
Expert Tips & FAQ
It's absolutely impossible to go wrong with this simple peanut butter slice recipe.
Here's a few simple tips for making it perfect every single time!
No! As much as I love homemade peanut butter and the natural store-bought versions, they're just not suitable for this recipe. You will need to use a creamy store-bought peanut butter like Kraft or Bega brands (either smooth or crunchy).
Icing sugar is also known as confectioners sugar or powdered sugar. It's a very fine white powdered sugar. You can use either 'pure' icing sugar or 'soft icing sugar mixture' in this recipe.
As this recipe contains peanut butter, it is not suitable for lunch boxes at schools with a nut-free policy. Check your schools policy to be sure.
This slice can be stored in an airtight container in the fridge for up to 7 days.
Store in an airtight container in the freezer for up to 3 months and allow to defrost before consuming. I recommend placing sheets of greaseproof baking paper between each layer of slice when freezing.
Related Recipes
Love peanut butter? These sweet recipes using peanut butter will have you falling head over heels!
- Peanut Butter Brownie Bliss Balls - my FAVOURITE bliss ball recipe ever! The best combination of chocolate and peanut butter in one healthy little bite.
- Peanut Butter Cookies with M&Ms - these cookies are completely addictive! Little chocolate chunks of M&Ms complement the peanut butter cookie mixture perfectly.
- Chocolate Birds Nest - great for Easter or any time of the year - these simple chocolate nests made from melted chocolate, peanut butter and Changs fried noodles are fun to make with the kids.
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.
Peanut Butter Slice
Ingredients
- 115 g butter
- 180 g peanut butter store-bought creamy peanut butter (either smooth or crunchy)
- 170 g plain sweet biscuits crushed (like Arnotts Marie, digestives or any plain sweet cookies)
- 150 g (1 cup) icing sugar
- 200 g white chocolate
- 2 tbs peanut butter extra
Instructions
Conventional Method
- Grease and line a 20cm x 20cm square baking tin with baking paper and set aside.
- Crush the plain sweet biscuits in a food processor or blender until fine crumbs remain. Set aside.
- Place the butter and peanut butter into a microwave-safe bowl and melt on 50% power for 4 minutes, or until smooth and melted. Stir to combine.
- Add the crushed biscuits and icing sugar and mix together until well combined.
- Press down firmly into the prepared baking tin and set aside.
- Melt the white chocolate and the extra peanut butter in a microwave-safe bowl on 50% power for 3 minutes, or until melted.
- Pour over the top of the slice and spread out evenly with a spoon. Refrigerate for 2 hours before cutting into slices.
- Store in an airtight container in the fridge for up to 7 days or freeze for up to 3 months.
Thermomix Method
- Grease and line a 20cm x 20cm square baking tin with baking paper and set aside.
- Place the biscuits into the Thermomix bowl and crush for 8 seconds, Speed 8. Set aside in a separate bowl.
- Place the butter and peanut butter into the Thermomix bowl. Melt for 3 minutes, 100 degrees, Speed 2.
- Add the icing sugar and crushed biscuits and mix for 10 seconds, Speed 3.
- Press down firmly into the prepared baking tin and set aside.
- In a clean and dry Thermomix bowl, melt the chocolate for 3 minutes, 80 degrees, Speed 2. Add the peanut butter and mix for 5 seconds, Speed 4.
- Pour over the top of the slice and spread out evenly with a spoon. Refrigerate for 2 hours before cutting into slices.
- Store in an airtight container in the fridge for up to 7 days or freeze for up to 3 months.
Sharon
This was a huge hit at our Christmas lunch. Gluten free biscuits can be used.
Lucy
Fantastic!