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Chocolate & Peanut Butter Slice

Dear peanut butter fiends, as if you needed another reason to love peanut butter!  

I am going to show you something so deliciously peanut buttery and chocolatey that you just may explode.

In case this hasn’t gotten your attention yet, let me explain what exactly this is.  

In the picture above you are seeing a layer of dark chocolate which is drizzled with milk chocolate and peanut butter-white chocolate.  

Peanut butter-white chocolate?  

No, you can’t buy it, but you can make it at home.  

But what makes this chocolate and peanut butter slice so extra peanut buttery?  It’s in the base.


It’s a baked mixture of some melted peanut butter and butter, some flour, brown sugar, an egg, and something a little different – desiccated coconut.  

The texture of the base is shortbread-like, sort of crumbly.  

I warn you, it’s quite thick and heavy, so if you’re looking for something light you better keep searching!  

But it is oh so delicious!

The recipe comes from Valli Little and can be found online here, and in the book Sweet which is a publication from delicious. magazine.  

I didn’t realize the recipe was online when I bought said book, and the only reason – I repeat, the only reason – I bought this book was because of this particular recipe.

You can whip these slices up pretty quickly, aside from the setting time in the refrigerator required for the chocolate.  

You don’t need an electric mixer or any other fancy equipment.  

As long as you’re able to melt a few ingredients and stir, you can make this!

Before I pass along the recipe though, I must issue a disclaimer.  

You absolutely need a glass of milk with these slices, and I hold no responsibility for what might happen if this warning is ignored!  😉

One last thing, you can call these “bars” instead of “slices” if you like.  

I think “slices” is just an Australian term for “bars”.

I wasn’t going to post this photo because it’s not as bright as the others and my 1-year-old smudged the chocolate while it was setting in the refrigerator (towards the bottom, left of center).  

But I thought you might want to see what the drizzles looked like before the whole thing was cut up!

Chocolate & Peanut Butter Slice

A baked version of the popular no-bake peanut butter bars, with a baked peanut butter base and swirled chocolate-peanut butter topping.
5 from 1 vote
Print Rate
Course: Dessert
Servings: 12 slices
Author: Valli Little


  • 125 g unsalted butter
  • 1 cup 280g smooth peanut butter, plus 2 tbs extra to drizzle
  • 11/2 cups 225g plain flour, sifted
  • 3/4 firmly packed cup 165g brown sugar
  • 1 cup 90g desiccated coconut
  • 1 egg beaten
  • 250 g good-quality dark chocolate chopped
  • 50 g white chocolate chopped
  • 50 g milk chocolate chopped


  • Preheat the oven to 180°C. Line a 20 x 30cm lamington pan with baking paper, leaving 4cm overhanging on all sides.
  • Combine the butter and peanut butter in a saucepan over low heat, stirring, for 1-2 minutes until melted. Place the flour in a large bowl with the sugar, coconut, egg and butter mixture and stir to combine. Press the mixture into the base of the prepared pan and smooth the surface. Bake for 10 minutes until golden (I had to bake for 10 minutes longer). Set aside to cool for 10 minutes.
  • Meanwhile, place the dark chocolate in a heatproof bowl set over a pan of gently simmering water (don’t let the bowl touch the water) until the chocolate has melted. Stir until smooth, then pour over the base and chill for 30 minutes until set.
  • Melt the white and milk chocolates in separate bowls as above. Whisk the extra 2 tbs peanut butter into the white chocolate until smooth. Drizzle slice with melted milk chocolate, followed by the white chocolate mixture. Chill briefly until set. Using the paper, lift the slice out of the pan and cut into 12 squares.

11 thoughts on “Chocolate & Peanut Butter Slice”

  1. But what do you call it if you fully intend on eating the whole tray? Chocolate peanut butter block? Doesn’t sound as appealing.

    This is amazing!

  2. This looks awesome. I love all the varying colors of drizzle, and if you hadn’t specifically pointed out the smudge I wouldn’t have even noticed it!

  3. […] Kitchen’s Chocolate Peanut Butter Spice is sure to appeal to anyone who loves either peanut butt or chocolate. The bar cookie has a tender, […]

  4. […] Chocolate Peanut Butter Slices – CPB Bars made with coconut? I’m intrigued. […]

  5. These look and sound heavenly — I am a sucker for anything with chocolate & PB. Was at an Aussie friend’s the other day and she served me a freshly-made caramel “slice.” At the time, i didn’t think too much of the name but thanks for the translation. Calling it a “slice” instead of “bar” certainly adds some exoticism!

  6. […] of The Sweetest Kitchen made some funky looking chocolate and peanut butter slice which were pretty much like Reese’s peanut butter cups. Tammi took the stage to prepare her […]


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