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Brownie Yule Log (Hazelnut Cream Filling)

October 10, 2025 by Michelle
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Chocolate Brownie Yule Log

If you haven’t tried a brownie yule log before, then prepare to have your mind blown…

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chocolate brownie yule log

This brownie yule log needs to be at the top of your Christmas bake list. I’m not joking! It’s rich, luxurious, decadent and it’s actually one of my favourite Christmas bakes so far.

Instead of a traditional sponge, this yule log has a fudgy brownie base with a light mascarpone and hazelnut cream filling. Honestly, it’s soooo delicious!!

You’re going to love the addition of hazelnut cream (or rather hazelnut creme), especially if you LOVE kinder bueno. They taste exactly the same, so essentially, it’s a kinder bueno flavoured filling.

chocolate brownie yule log

Recipe Ingredients

Below are the ingredients I used to make this dish:

  • Fudgy Brownie Batter: I used plain flour, unsalted butter, caster sugar, light brown sugar, dark chocolate, cocoa powder, medium eggs, vanilla extract and salt.
  • Hazelnut Cream Filling: I whisked together double cream, mascarpone, icing sugar, vanilla extract and hazelnut creme. I used Sainsbury’s taste the difference hazelnut creme (apparently, M&S do a good one too).
  • Ganache Topping: To make the topping, I used dark chocolate and double cream. You can use milk chocolate or white chocolate instead. I recommend adding a thin layer of ganache to not overtake the hazelnut cream taste.

I used the same brownie recipe as my tiramisu brownies, so if you love this recipe, then you have to try it next!

How To Make A Brownie Yule Log

Here’s a summary of how I make this yule log. You can get the full recipe instructions on the recipe card below:

Yule log brownie batter.
Yule log brownie batter.
Brownie batter in baking tray.
Brownie batter in baking tray.
Brownie compressed and flattened.
Brownie compressed and flattened.
layer of hazelnut cream mixture
Layer of hazelnut cream mixture.

I start by making the brownie. Once baked, I leave it to cool down for at least 30 minutes. Then I use a rolling pin and gently flatten and condense the brownie.

Whilst the brownie is cooling down, I like to make the hazelnut cream filling. To do this, I firstly whisk the mascarpone, double cream and hazelnut creme together. Then I add the icing sugar, vanilla extract and whisk it together until everything is combined. I also make the chocolate ganache by mixing double cream and melted chocolate together.

I spread the filling on top of the brownie then roll it up. Last but not least, I add a layer of chocolate ganache and finish with Christmas decorations and a sprinkling of icing sugar.

My Top Tips

You don’t have to make a fresh batch of brownies to make this dessert! You can use defrosted or leftover brownies. Simply blend them in a food processor, press the mixture down into a lined baking tray, spread the filling then roll it up!

Leave a bit of parchment paper hanging over the sides of the baking tin, this will help with removal. I like to roll the brownie with cling film as I find it creates a tighter roll than parchment paper.

How To Store

Store in the fridge because the hazelnut cream filling has double cream and mascarpone in it. I like to store mine in an airtight container, in the fridge and cut slices as and when I’m feeling peckish.

You could also place individual slices in an airtight container or in a large plate and cover it with cling film before placing it in the fridge.

More Christmas Desserts

  • Baileys Yule Log
  • Christmas gingerbread Pancakes
  • Brownie Mince Pies
  • Baileys Cheesecake
  • Chocolate Orange Brownies
  • Gingerbread Cheesecake
brownie yule log recipe

Brownie Yule Log (Hazelnut Cream Filling)

Michelle
Here's how to make a fudgy brownie yule log, the perfect Christmas dessert! The taste is incredible, and it has a hazelnut cream filling.
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