Recipe | Chocolate peanut butter squares

 Easy to make. Easier to eat!

How to make chocolate peanut butter square recipe like Reese's pieces

This no-bake recipe comes originally from Nigella Lawson’s baking bible, How to Be a Domestic Goddess. I made a couple of changes to the ingredients, simply to fit the recipe to what I had in the cupboard. More about that below…

Nigella makes the excellent comparison between these and Reese’s Peanut Butter Cups/ Reese’s Pieces. For anyone who has no idea what those are, I would say that if you like chocolate and peanut butter then you can’t go wrong with these chocolate peanut butter squares 🙂

How to make chocolate peanut butter squares like Reese's pieces


For the base:

  • 50 g / 2 oz dark muscovado sugar (I used light because it’s what I had. If you use dark, don’t worry if you get dark lumps in your base as a result – that’s fine)
  • 200 g /  7 oz icing sugar
  • 50 g / 2 oz butter/margarine
  • 200 g / 7 oz smooth peanut butter (I used crunchy… see my note below).

A note on crunchy vs. smooth peanut butter: Nigella wisely tells you to use smooth peanut butter. This will give a more moist, uniform consistency to your base. I had crunchy peanut butter which needed using up. However, with solid peanuts taking up some of the weight, there was less “butter” in the base mixture, resulting in a drier, crumblier base (which you’ll see in the photos later). It was by no means a disaster: the base still held together well. But, if you can, use smooth peanut butter!

For the topping:

  • 200g /  7 oz milk chocolate
  • 100 g /  3.5 oz plain chocolate
  • 1 tablespoon butter/ margarine

Method (makes approx. 48 chocolate peanut butter squares)

Line your brownie pan or baking tray with baking paper. My tin measures 24 x 20 x 4 cm. Nigella recommends a 23-cm square brownie tin. So as long as the size of your tin is somewhere in that area, you should be fine.

Put all the base ingredients in a bowl and mix until your have a smooth mixture. I used my electric mixer. If you have a mixer, make sure you remember to use a hood or the icing sugar will go everywhere.

Your base mixture should be “sandy” in appearance. As I note above, thanks to me using crunchy peanut butter, I think my base mixture was a little too dry, but I was still able to put it into my brownie tin and press it down using the back of a spoon to get a firm, even base.

How to make chocolate peanut butter square recipe

How to make chocolate peanut butter square recipe tray bake

Melt the butter and chocolate together in a bowl. You can do this over a pan of hot water or you can use the microwave to give the mixture short zaps then stir between zaps. I zapped the chocolate for 1 minute, shook it, added the butter and put the whole lot back in for another 30 seconds. I stirred the mixture, encouraging the chocolate to melt into the butter. I gave the mixture another 20 seconds in the microwave and another stir and that got me a smooth, lumpless mixture.

Pour your chocolate mixture on top of your peanut butter base.

How to make chocolate peanut butter square recipe no bake

Put your chocolate peanut butter slab in the fridge to set. When the chocolate has hardened, lift the slab from the tin and slice it into as many pieces as you want.

How to make chocolate peanut butter square recipe slab

How to make chocolate peanut butter square recipe with milk chocolate

If you’d like your chocolate peanut butter squares to look a little more interesting, I’d suggest trailing some melted white chocolate through the chocolate topping while it’s still warm, or drizzling it over the top of the slab when it has set.

But they’re also delicious just so and incredibly easy to make. No baking required!

How to make chocolate peanut butter square recipe tray bake no bake

The next time I’ll make the effort to get smooth peanut butter 🙂


Looking for other no-bake recipes? Try these!

Malteasers rocky road



Easy Malteser’s rocky road.



Chocolate honeycomb square with marshmallow and cookies 6



Chocolate honeycomb squares.




Claire Huston / Art and Soul

40 thoughts on “Recipe | Chocolate peanut butter squares

  1. Claire, That was our best seller at our store Cupcake Cache while we were open. My husband came up with it….peanut butter cup and it was a stuffed cupcake with nutella and peanut butter inside and then a swirled peanut butter frosting…with a glass of milk. Delicious. Our facebook site is still up and you can see all our creations. We were going to publish a book of recipes but never did that. I guess there is time.

    Liked by 1 person

  2. I have actually made this!! Yes I know…me!!! And they are absolutely to die for! I do prefer cakes that you don’t bake and these are a favourite with the family along with my Tunnucks Teacake tray bake where there is a weeks calories in one square lol xx

    Liked by 1 person

    • Lol! I did calculate the calories per square in this one too, but it was shocking and I’ve now eaten so many I don’t want to think about it 🙂
      I just didn’t feel like baking this week. We’ve still got cake sitting about and the plan was to make something that could be stored to eat at a later date… well, that one’s not working. I’ve eaten nearly half the tray of the darn things and I don’t even like peanut butter that much!

      Liked by 1 person

  3. These look so good! I’m definitely bookmarking this recipe. I usually end up bringing dessert to family gatherings at Thanksgiving/Christmas, so I might have to try making these this year. 🙂

    Liked by 1 person

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