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Home » Baking & Desserts » Cakes » Easy Chocolate Cake

16 January 2019

Easy Chocolate Cake

7.4K shares

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An easy chocolate cake that’s moist, delicious and packed full of chocolate.

It can be made in any size of round, square or rectangular tin so you can use whatever tins you have in the cupboard, and can feed a few or a whole crowd.

Skip to the recipe

An easy chocolate cake that's moist, delicious and packed full of chocolate.  It can be made in any size of round, square or rectangular tin so you can use whatever tins you have in the cupboard, and can feed a few or a whole crowd.

Today’s recipe is a variation on my popular Chocolate Birthday Cake Recipe, as with that recipe it can be made in pretty much any size of round, square or rectangular tin (see the handy calculator just above the main recipe).

It’s incredibly simple to make. I’ve taken the Mary Berry approach to baking and kept it as easy as possible by making an all-in-one chocolate sponge cake. This means all of the ingredients (except for the melted milk chocolate) are added into the bowl and simply mixed together. The melted milk chocolate is then mixed in before baking.

The melted milk chocolate is the secret to what makes this cake taste amazing. It makes the cake moist and ensures that it tastes really chocolatey, something I find isn’t always the case with cakes made with cocoa powder alone.

An easy chocolate cake that's moist, delicious and packed full of chocolate.  It can be made in any size of round, square or rectangular tin so you can use whatever tins you have in the cupboard, and can feed a few or a whole crowd.

How to create the swirl design on top of the cake

When it comes to chocolate cake, it’s really the flavour that counts. However, if you want to neaten your cake up a bit then I think this swirl design is really effective, and it’s very simple to achieve.

What you need

  • Small palette knife
  • Cake decorating turntable – This sounds like a fancy piece of equipment, but it really isn’t. You should be able to get one for a few pounds. It isn’t essential, but it’s much easier to get a neat swirl if you have one.

What to do

  1. Once you’ve covered the top of your chocolate cake with chocolate buttercream, smooth it with a palette knife (it doesn’t need to be perfect just reasonably even).
  2. Pop the cake onto the cake turntable.
  3. Starting from the edge of the cake and working in. Slightly dig the end of your palette knife into the buttercream. Holding the knife steady, slowly spin the cake stand to create a circle. As you turn the cake stand, move the knife inwards slightly so that once the first circle is complete your knife is now just inside ready for the next circle. Keep rotating until the palette knife reaches the middle of the cake.

I’ve finished my cake with some small round chocolate sprinkles.

The great thing about this is that if you don’t get it quite as you want it the first time (I didn’t!) you can simply smooth it over with the palette knife and have another go.

An easy chocolate cake that's moist, delicious and packed full of chocolate.

Can I use dark chocolate instead of milk chocolate?

Absolutely. I use milk chocolate in this cake recipe as that’s what I prefer, but if you’re a dark chocolate lover then this works just as well using that instead. You can also use a mixture of the two if you’d like something in between. 

What about white chocolate?

Rather than tweaking this recipe, I’d recommend using my white chocolate cake recipe which was specifically designed to be packed full of white chocolate flavour.

Can I use self-raising flour instead of plain flour?

Yes, for the standard two-layer 20cm round cake recipe you switch the 190g of plain flour and 2½ tsp of baking powder for 200g of self-raising flour.

How can this chocolate cake be stored?

The cake can be stored in an airtight container for 4-5 days after baking. Ideally it should be stored in the fridge (although I’d recommend allowing your slice to come up to room temperature before eating as it will have more flavour and the buttercream will soften a little). If you don’t have room in the fridge it should be absolutely fine stored at room temperature as long as your room isn’t too hot (that’s what I always do with mine as I have a tiny fridge).

This cake is suitable for freezing, either just the chocolate sponge or the buttercreamed cake.

To freeze the chocolate sponge cake, wait for it to cool and then wrap the cake in clingfilm or store it in an airtight container before freezing. Defrost it thoroughly before decorating.

The buttercreamed cake can also be frozen in the same way.

I would not recommend freezing just the buttercream to use later as the consistency becomes a little too fudgey. This means it’s delicious on the cake but tricky to spread.

An easy chocolate cake that's moist, delicious and packed full of chocolate.  It can be made in any size of round, square or rectangular tin so you can use whatever tins you have in the cupboard, and can feed a few or a whole crowd.

What are the chocolate cake ingredients for a different size of tin?

The main recipe below is for a two-layer 20cm round cake (this serves 12 people). However, this recipe is easily adapted to use other sizes of tins. 

To find the ingredients needed to make this cake in a different size, simply add the dimensions of your tin and the number of layers into the boxes below and hit “Calculate”.

Round Cake

Cake Diameter (cm)

Number of Layers

Cake Ingredients

0 g plain flour
0 tsp baking powder
0 egg(s)
0 g soft margarine or butter
0 g caster sugar
0 tsp vanilla extract
0 tsp milk
0 g cocoa powder
0 g milk chocolate

Buttercream Ingredients

0 g butter
0 g icing sugar
0 g milk chocolate
0 g cocoa powder
0 tsp vanilla extract

Square or rectangular cake

Cake Size (cm)
x

Number of layers

Cake Ingredients

0 g plain flour
0 tsp baking powder
0 egg(s)
0 g soft margarine or butter
0 g caster sugar
0 tsp vanilla extract
0 tsp milk
0 g cocoa powder
0 g milk chocolate

Buttercream Ingredients

0 g butter
0 g icing sugar
0 g milk chocolate
0 g cocoa powder
0 tsp vanilla extract

To keep this calculator from becoming too much of a coding monster behind the scenes I've only included metric measurements. If you would like US cups measurements for a different size of tin then simply calculate the metric measurements here and then pop the results into my grams to cups calculator and it'll tell you what you need.

The US cups/ounces measurements for the original two-layer 20cm round cake recipe can be found by clicking the big green button just above the ingredients.

What is the cooking time for a different size of cake and what oven temperature should I use?

The ingredients are calculated so that the depth of each cake is the same as in the original recipe. This means that the cooking time and temperature don't need to change, so you can use what's listed in the main recipe.

Can this cake be cooked in one deep tin?

Theoretically yes, but I find I get the best results from using sandwich tins and this is what I would recommend.

If you would like to bake the cake in a deep then the cooking time will need to increase to 45-50 minutes.

FREE GRAMS TO CUPS CONVERSION CHARTS

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An easy chocolate cake that's moist, delicious and packed full of chocolate. It can be made in any size of round, square or rectangular tin so you can use whatever tins you have in the cupboard, and can feed a few or a whole crowd.

Easy Chocolate Cake

An easy chocolate cake that's moist, delicious and packed full of chocolate.
4.59 from 34 votes
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Active Time: 25 minutes
Cook Time: 30 minutes
Total Time: 55 minutes
Servings: 12 servings
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INGREDIENTS

Metric - US Cups/Ounces

For the chocolate cake

  • 190 g plain flour
  • 2½ tsp baking powder
  • 100 g milk chocolate
  • 40 g cocoa powder
  • 230 g caster sugar
  • 230 g margarine or butter - if you're using butter it must be soft at room temperature
  • 4 large eggs
  • ¼ tsp vanilla extract
  • 2 tsp milk

For the chocolate buttercream

  • 250 g butter - soft at room temperature
  • 250 g icing sugar
  • 150 g milk chocolate
  • 40 g cocoa powder
  • ¼ tsp vanilla extract
  • A little milk

This recipe makes a 20cm round cake. If you would like to make a different size of round, square or rectangular cake, you can find the ingredients you need just above the recipe.

    INSTRUCTIONS

    • Pre-heat your oven to 160C/140C fan.
      Line two 20cm round sandwich tins with greaseproof paper or re-usable baking tin liners (I use these tins and these liners).
    • Melt your milk chocolate (100g) - You can either melt it in the microwave (heat for 30 seconds, stir and then heat for a further 30 seconds. Repeat until the chocolate has melted), over a bain marie, or in a saucepan over a very low heat. Set the chocolate aside to cool.
    • Put all of the other cake ingredients into a large bowl (190g plain flour, 2½ tsp baking powder, 40g cocoa powder, 230g caster sugar, 230g margarine or butter, 4 large eggs, ¼ tsp vanilla extract and 2 tsp milk). Beat together (either using an electric mixer on a low speed or by hand) until the ingredients are combined. Add the melted chocolate and mix in (again at a low speed) until combined.
    • Split the cake mixture between the two tins. Smooth the mixture using a palette knife or the back of a spoon. Bake for 30-35 minutes until a skewer inserted into the centre of the cake comes out clean.
    • Once the cakes are cooked, remove them from the oven and leave to cool in their tins for about 10 minutes before removing them from the tin and moving to a cooling rack to cool completely.

    While the cake is cooling, make the chocolate buttercream

    • Melt your milk chocolate (150g) and set aside to cool - It is essential that the chocolate has cooled before it is combined with the other ingredients so it doesn't melt the butter.
    • Beat the butter (250g) until soft - This can either be done with an electric mixer at a low speed or by hand. Add the icing sugar (250g), cocoa powder (40g) and vanilla extract (¼ tsp) and beat together on a low speed until combined. 
    • Slowly add the melted milk chocolate and beat until combined. Your buttercream needs to be a spreadable consistency. If it is a little too thick, beat in a little milk (no more than 1 tsp at a time) until it reaches your desired consistency.

    Build the cake

    • Place the bottom layer of chocolate sponge on to your serving dish. Spread half of the chocolate buttercream onto the bottom layer using a palette knife or the back of a spoon. Add the top layer of chocolate sponge and then spread the remaining buttercream on top of the cake. To create the swirl effect shown in the pictures have a look at my tips above the recipe.
    • Enjoy!

    NOTES

    ❄️ Suitable for freezing
    See storage and freezing instructions above the recipe.
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    NUTRITIONAL INFORMATION

    Calories: 656kcal | Carbohydrates: 62.9g | Protein: 7.1g | Fat: 41.1g | Saturated Fat: 20.7g | Sodium: 290.2mg | Fiber: 2.4g | Sugar: 50.4g

    Any nutritional information provided is the estimated nutritional information per serving. Please refer to my guide to Charlotte’s Lively Kitchen nutritional information if you would like to learn more about how this is calculated.


    Course: Dessert
    Cuisine: British
    Keyword: Celebration Cake, Layer Cake
    Author: Charlotte Oates

    Free From/Suitable For

    The ingredients I used to make this recipe are all free from the following allergens. However, please check any labels carefully for allergens you need to avoid as brands can vary, and product recipes can change over time.

    • Suitable for Vegetarians
    • Tree Nut-Free
    • Peanut-Free
    • Sesame-Free
    • Sulphur Dioxide & Sulphite-Free
    • Lupin-Free

    This cake can be made dairy-free by switching the butter/margarine for a dairy-free alternative (I like to use Pure Sunflower), using dairy-free dark chocolate, and switching the milk for a dairy-free alternative.

    For the buttercream, take a look at my dairy-free chocolate buttercream recipe, which has full instructions.

    An easy chocolate cake that's moist, delicious and packed full of chocolate.

     
    7.4K shares

    Reader Interactions

    Comments

    1. Laura c says

      October 19, 2022 at 4:41 pm

      5 stars
      The best chocolate cake ever

      Reply
    2. Gina says

      September 03, 2022 at 12:04 am

      5 stars
      I made this cake for a birthday recently and it was fantastic! Beautiful recipe, thank u

      Reply
    3. Katrina says

      August 22, 2022 at 4:42 pm

      5 stars
      As with all Charlotte’s recipes this was so easy to make and absolutely delicious. I used it to make a gravity defying cake and as there was a lot of chocolate I added raspberry jam as a filling.

      Reply
    4. Sarah says

      July 08, 2022 at 2:55 pm

      How can I make this lemon ?

      Reply
      • Charlotte Oates says

        July 27, 2022 at 6:05 pm

        I would recommend trying my Easy Lemon Cake (All-In-One Lemon Sponge)!

    5. Chloe says

      July 07, 2022 at 6:40 pm

      This is a truly excellent chocolate cake recipe. Made it for my sons 2nd birthday and the whole family loved it. Thank you x

      Reply
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