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White Chocolate Mud Cake

by Nick Makrides
White Chocolate Mud Cake with slice taken out

This White Chocolate Mud Cake is a decadent wonder! If you’re a lover of white chocolate, then you’ll appreciate how strong the flavor of white chocolate is with each bite. Complete with silky smooth white chocolate Swiss meringue buttercream which is not too sweet, you’ll be going in for seconds and thirds!

Nicks favorite thing…

I love how simple it is to make this cake. It’s perfect for white chocolate lovers. And hey. I don’t discriminate when it comes to chocolate. And yes. I think white chocolate is chocolate. I love the Swiss meringue buttercream inside and outside this cake too. It’s infused with white chocolate but it’s also silky smooth and contrast nicely with the dense, yet light white chocolate sponge.

White Chocolate Mud Cake

What does it taste like?

White chocolate believe it or not? I mean, it can be hard to achieve that flavor in a sponge. But this cakes got it. In fact, this cake can get it. It’s dense, but light. It’s gorgeous and simple to make. And the frosting is silky smooth. Looks wise, this thing is rustic and simple, and I think that’s the way this cake needs to be.

What are the ingredients I need?

White chocolate – this is used in the frosting and in the cake. Make sure you let the chocolate cool slightly before using. Especially for the frosting.

Milk – I used cow’s milk but plant based milk will also work.

All-purpose flour – also known as plain flour.

Baking powder – this will help the cake rise.

Salt – I used fine salt.

Unsalted butter – Make sure your butter is softened for both the cake and frosting.

Caster sugar – also known as superfine sugar. You can use regular granulated sugar if you wish.

Vanilla extract – Make sure you use a good quality vanilla extract for this recipe. It makes all the difference.

Eggs – I used large eggs. For the frosting you want to make sure that you don’t get any egg whites in the whites when separating the eggs and make sure the bowl you use is clean otherwise the meringue will not whip up properly.

My Top Tips! 

  • For this recipe, I would not recommend changing any of the ingredients. Every ingredient is designed to work with one another to get a nice dense but light sponge.
  • You could swap out the Swiss meringue with a simpler to make American buttercream frosting, but just keep in mind it is sweeter.
  • This recipe would work as cupcakes. You’ll just need to halve the recipe and end up with about 16 cupcakes. Bake them for 45 min on 140C.

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I hope you guys enjoyed this simple but delicious recipe with me. Please comment in the comments section below, or feel free to share with your family and friends on social media.

I’ll see you all on the following recipe. Happy baking!

N x

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White Chocolate Mud Cake with slice taken out

White Chocolate Mud Cake

Serves 16

5 from 3 votes
Prep Time: 2 hrs
Cook Time: 40 mins
Total Time: 2 hrs 40 mins
Course: Dessert
Cuisine: American

Ingredients

White Chocolate Mud Cake

  • 3/4 cup white chocolate
  • 1 1/2 cups milk
  • 2 1/2 cups all-purpose flour
  • 2 1/2 tsp baking powder
  • 3/4 cup unsalted butter
  • 1 1/4 cups caster sugar
  • 2 tsp vanilla extract
  • 3 large eggs

White Chocolate Swiss Meringue Frosting

  • 1 1/2 cups white chocolate
  • 1/2 cup heavy cream
  • 6 large egg whites
  • 1 cup caster sugar
  • 2 cups unsalted butter, softened
  • 1 tsp vanilla extract


Instructions

White Chocolate Mud Cake

  • Preheat your oven to 175°C / 350°F. Spray two 8-inch cake tins with oil spray and line the bottom with baking paper.
  • Add the flour, baking powder and salt to a large mixing bowl and use a whisk to combine.
  • Add the milk and chocolate to a heat proof jug and microwave for 2 minutes. Use a whisk or spoon to mix until chocolate is fully melted.
  • Add the butter, sugar and vanilla extract to a large mixing bowl and use an electric mixer to beat until pale and fluffy. About 3 minutes. Add half the dry ingredients and half the wet ingredients and mix on low speed until combined. Repeat with the remaining wet and dry ingredients.
  • Split the batter between the two baking tins and bake both cakes in the middle rack for 40 minutes. Once baked, allow to cool completely.

White Chocolate Swiss Meringue Frosting

  • Add the chocolate and heavy cream to a heat proof mixing bowl and microwave for 1 minute, stir and then 30 seconds each time after that, mixing each time until smooth. Set aside to cool at room temperature.
  • Fill a large saucepan one-quarter of the way with water. Let it come to a gentle boil over a medium–high heat.
  • Separate your egg whites from your yolks in a large, very clean, glass or metal mixing bowl. We only need the egg whites for this recipe, so you can store the yolks in an airtight container in the fridge to use for something else. If you need ideas, there are loads on the internet, but my go-to recipe for using up egg yolks is French pastry cream.Yum!
  • Add your sugar to the egg whites to the mixing bowl and use a hand whisk to mix them together.
  • Place your bowl on top of the pan of boiling water, making sure the bottom of the bowl doesn’t touch the water. This is called the double-boiler method and is a very gentle way of cooking something or melting something.
  • Gently whisk your egg white and sugar mixture for about 3–4 minutes, or until the sugar is completely dissolved and you reach 160°C / 320°F. The best way to check that it’s dissolved is by running it through two fingers. If you can’t feel the sugar granules, then it’s time to take it off the heat. If you can feel the granules, continue whisking for another 2–3 minutes and keep testing until you can no longer any granules.
  • Transfer the mixture to the bowl of a stand mixer fitted with the whisk attachment and whisk on high speed for about4–5 minutes. The mixture will become thick and glossy and will begin to cool.
  • Gradually add the softened butter, 1tablespoon at a time, while the mixer is on high speed. At first, your egg whites will deflate and look like the butter is causing them to split, but don’t panic! It will come back together. It takes a couple of minutes for the butter and meringue to become best friends.
  • Once you have added all the butter, add the vanilla extract and mix first on low speed to combine, then on high speed for 5 minutes. You’ll know it’s done when the frosting has come together, has turned pale in color (if you’re making vanilla) and is nice and fluffy.
  • To finish, add the white chocolate and mix until well combined.

Let's Decorate!

  • Use a large, serrated knife or cake leveler to trim the tops of your cakes off and then trim in half.
  • Add some frosting to your serving plate and use an offset spatula to spread around. By the way, you can totally do this with a spoon instead.
  • Add your first layer of cake and then add some frosting on top. Spread the frosting around evenly before adding the next layer of cake. Repeat that until you have all your cake layers on.
  • This next part is optional but recommended because it keeps your cake looking neat. Crumb coating your cake is easy, spread a thin layer of frosting around the sides and top of the cake then place in the fridge to chill for one hour. Take it out of the fridge and add the final layer of frosting. This doesn’t need to look perfect. I went for the rustic look and I think it looks beautiful.

Notes

Storage
Cake can be stored in an airtight container for up to three days.
How to prep your butter for your frosting!
Before you begin, it’s really important to make sure the butter is soft enough. Some people keep their butter out of the fridge, others chill it. Even if you keep it out, it may not be soft enough. You want your butter to be soft enough so that when you stick your finger in it, it glides in, but not without a little bit of resistance. The best way to get it too that softness is to place your butter on a microwave safe plate, microwave for 10 seconds at a time, testing the softness each time. If it needs longer than 10 seconds, turn the butter over and repeat until it’s ready.

Nutrition

Calories : 595kcal
Carbonhydrates: 31g
Protein: 7g
Fat: 42g
Saturated Fat: 26g
Polyunsaturated Fat: 2g
Monounsaturated Fat : 11g
Trans Fat : 1g
Cholesterol: 131mg
Sodium: 133mg
Potassium : 193mg
Fiber: 1g
Sugar : 16g
Vitamin A: 1172IU
Vitamin C: 1mg
Calcium: 125mg
Iron: 1mg
Nutrition Disclosure

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