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    Home | Recipes | Cakes

    Published: Jul 13, 2023 · Updated: Jul 13, 2023 by Angie Dixon ·

    Easy Chocolate Orange Cake

    jump to recipe Pin
    Pin - sliced orange chocolate cake on a plate.

    This easy chocolate orange cake is filled with the classic flavor of orange and dark chocolate. This orange sponge is drenched in orange syrup, and topped with a dark chocolate ganache is certain to please everyone!

    Sliced chocolate orange cake on a plate.
    Jump to:
    • Why You Will Love This Recipe
    • Ingredients
    • Reduced-Sugar Variation
    • Small-Batch
    • Cake Pan Variations
    • Step-by-Step Instructions
    • Expert Tips for this Recipe
    • Storage and Freezing
    • Chocolate Orange Cake FAQ
    • Other Recipes You May Like
    • Rate & Review!
    • Recipe Card
    • Community Comments

    I love orange chocolate. The flavor combination of the delicious citrus with chocolate is, in my opinion, really tasty. The orange creme chocolate in a box of Quality Street is my favorite, followed very closely by the Green Triangle. 

    When deciding what type of cake I wanted for this recipe, I wanted a simple elegant, single-layer cake that would be baked in a 23cm/9 inch springform cake pan. Something that could come together really quickly, and have a minimalistic frosting/decor. And decided to start with my orange loaf cake as a jumping-off point.

    This orange chocolate cake is the perfect dessert for any dinner party.

    Slices of chocolate orange cake on plates.

    Why You Will Love This Recipe

    • This orange cake recipe is super easy and is flavored with orange zest and orange juice. 
    • The dark chocolate ganache is the perfect chocolate frosting to be paired with the orange sponge. 
    • This is a super simple cake that comes together fairly quickly.

    Ingredients

    Here are some notes on the ingredients used in this recipe. Please see the recipe card for quantities.

    Orange chocolate cake ingredients.

    Dark Chocolate (Bittersweet chocolate) - I used 62% Whittaker's dark chocolate for the chocolate ganache. I feel that dark chocolate pairs best with orange. I would highly recommend using a dark chocolate you enjoy eating. Milk chocolate can be used to make the ganache, I recommend using the best chocolate 

    Butter adds flavor, softness, and moisture and sometimes aids in the leavening of baked goods. I use New Zealand butter in my recipes, which has approximately 82% butterfat and can be very yellow (similar to European or Irish butter). Butter cannot be substituted with butter or margarine spreads, but it can be substituted with baking margarine. If using salted butter you can leave out the additional salt in the recipe.

    White Sugar or caster sugar to sweeten the cake and the orange drizzle. White sugar also adds some leavening power to the song through the creaming of the butter and sugar. 

    Plain flour (all-purpose flour/standard grade flour) refers to flour that has a protein content of approximately 9.5-12%.

    Eggs - I now use a New Zealand size 6 egg, around the same size as Australian and South African Large Eggs, but closer to a US/Europe Medium sized egg.

    Salt is a crucial ingredient in all baked goods. I use table salt in all my recipes. One teaspoon of table salt equals 1.5 teaspoons of Morton Kosher Salt equals 2 teaspoons of Diamond Crystal.

    Vanilla extract enhances the flavors of the other ingredients in the recipe and is a cornerstone ingredient in baked goods and desserts containing eggs.

    Orange Zest and Fresh Orange juice to flavor the sponge cake. I opted to not use orange extract because honestly, I could not find it very easily in the supermarkets, so decided to rely 100% on natural orange flavor for this orange chocolate cake.

    Orange slices for decoration - optional extra. 

    Cream - a heavy cream or whipping cream, approximately 35-37% milk fat, for the dark chocolate ganache. 

    Make sure your baking powder is fresh (especially if you haven't bought some in a while) by placing a ½ teaspoon into a cup or bowl. Pour about a ¼ cup of boiling water over the baking powder. If it foams and bubbles it is still fresh.

    Room Temperature Ingredients

    Use room-temperature ingredients! Using room temperature ingredients ensures that ingredients in the batter or dough will incorporate easier. Take note that room temperature refers to around 20°C/68F.

    • To bring eggs to room temperature quickly, place them into warm water for about 10 to 15 minutes.
    • To bring butter to room temperature quickly, cut the butter into cubes and zap it in the microwave at 20% power in 10-second intervals. Or place the cubes in a bowl over warm water (such as with a double boiler) over low heat for 1 minute!
    • Milk, buttermilk, and cream can be brought to room temperature by zapping in the microwave at 20% power in 10-second intervals. Or on low heat for a minute or two swirling every 10-15 seconds.
    • If the butter is too warm/soft for baking - pop it into the fridge for 20-30 minutes.

    Weighing & Measuring Ingredients

    Weighing ingredients with a kitchen scale is more accurate than using measuring cups. All my recipes are developed and tested using grams only.

    However, I have activated the metric-to-cup conversions. Simply click on "cups" or "metric" for your preferred measurements. For these conversions, cups are equal to 240 millilitres/8 fluid ounces, tablespoons are 15 milliliters and teaspoons are 5mL.

    Sliced chocolate orange cake on a plate.

    Reduced-Sugar Variation

    If you really want to reduce the sugar content in this cake, you can keep to the lower version of sugar for the orange drizzle/syrup.

    And for the ganache, stick to a lower amount of chocolate and cream.

    Small-Batch

    This recipe can be divided in half (click the handy "½" button above the ingredients) and baked in a 6-inch round cake pan. Follow the instructions and check the cake about 10 minutes before the recommended baking time. 

    Cake Pan Variations

    This orange chocolate cake recipe makes approximately 4½ cups of cake batter. This, in my opinion, is perfect for a 9" or 8"(23cm or 20cm) round cake pan, however, a 9" square pan can also be used.

    This recipe would make about 18 regular-sized cupcakes - which can be made by measuring out a ¼ cup of batter per cupcake liner and bake for 18-22 minutes.

    Step-by-Step Instructions

    Step 1 - Preheat the oven to 180°/350°F. Grease a 9-inch or 23-cm round springform cake tin with non-stick cooking spray and baking/parchment paper.

    NOTE - I typically crunch up a piece of baking/parchment paper, then press it onto the bottom portion of the cake pan before clipping the spring in place. 

    Step 2 - In a large mixing bowl, or the bowl of a stand mixer, combine the sugar and the finely chopped orange zest. Run the mixer at a low speed for 3 to 5 minutes, or rub the zest into the sugar for 3 to 5 minutes.

    NOTE - rubbing the zest into the sugar releases the oils and flavors in the orange zest, deepening the orange flavor. 

    Step 2 - orange zest rubbed into the sugar.

    Step 3 - Pop the room-temperature butter into the sugar-zest mixture and cream on high speed until light and fluffy (3-5 minutes). 

    Step 4 - Add in the vanilla extract and room temperature eggs, and beat on a medium-high speed until well incorporated, light, and fluffy. 

    Step 4 - Eggs beaten into the sugar-butter mixture.

    Step 5 - Combine the dry ingredients (flour, baking powder, and salt) in a separate bowl, whisk, or stir together. 

    Step 6 - Add in the orange juice and mix through until combined. Then add in half the dry ingredients, and mix until combined. Add the rest and mix until combined.

    Step 7 - Pour the cake batter into the prepared cake pan and bake in a preheated oven for 35-45 minutes. The cake is done when a cake tester comes out mostly clean from the center of the cake. 

    Step 7 - Orange cake poured into prepared cake pan.

    Step 8 - While the cake is baking, combine the orange juice and sugar in a small pot. Bring to a boil, and then reduce the heat and simmer for 5 minutes, or until the syrup thickens slightly. 

    Step 9 - While the cake is hot/warm, poke it all over with a cake tester/toothpick, then pour the syrup over the cake. Allow the cake to cool completely before removing it from the springform pan and placing it on a cake stand or plate. 

    Step 10 - To make the chocolate ganache, heat the cream over medium heat in a small saucepan or in a heatproof bowl in the microwave. Once the cream is hot and bubbling at the edges, toss in the chocolate, and the orange zest. Allow the mixture to sit for 5 minutes and whisk together until the ganache is smooth and creamy. 

    Step 10 - chocolate added to the hot cream.
    Step 10 - shiney, smooth chocolate ganache ready to be spread on top of the orange cake.

    Step 11 - Allow the ganache to cool, stirring every 15 minutes to check on the consistency. The ganache is ready when it is thick yet still spreadable. 

    Step 12 - Dollop the ganache over the top of the cake, using an offset spatula or the back of a spoon, and swirl over the top of the cake. Decorate the cake with thin slices of orange if desired. If you want, a more pourable ganache can be poured over the top of the cake and allowed to drip down the edges of the cake. 

    Step 13 - Allow the ganache to set before serving. Use a knife run under hot water to slice evenly through the ganache.

    Expert Tips for this Recipe

    Ovens & Air Fryers

    The temperatures stated are for conventional ovens. For convection, fan-forced, fan-assisted, or air-fryers, the temperature must be reduced by 20°C/25°F.

    For baking, make sure the oven is fully preheated, and that the rack is in the middle of the oven. Open the oven as little as possible. For best baking results use an oven thermometer.

    Remember that all ovens work slightly differently and bake times may need to be adjusted for your specific oven.

    Bakeware

    Metal bakeware (if you can, choose light-colored bakeware for an even better bake) is superior when baking biscuits, cookies, brownies, muffins and quick bread, scones, cakes. These heat up and cool down faster than glassware. Glassware is heavier, heats up and cools down slower than metal, and is more suited for bread puddings, pies, crisps, crumbles, and cobblers.

    Storage and Freezing

    This cake can be stored in an airtight container for up to 2 days and then refrigerated for up to a week. 

    Slices of cake can be frozen in an airtight container for up to a month. Defrost and bring to room temperature before serving.

    Chocolate Orange Cake FAQ

    What pan did you use?

    I used a 9-inch or 23-cm springform pan. But this cake can also be baked in an 8-inch springform pan, or a 9" square cake pan. It may just take a few minutes longer due to the thickness of the cake.

    What chocolate do you use?

    I tend to bake with chocolate I like to eat by itself, and here in New Zealand, the best chocolate is Whittaker's. For this ganache, I used 62% dark chocolate, my other go-to dark chocolate is 50%.

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    Slices of chocolate orange cake served on plates.

    Rate & Review!

    If you made this recipe, please leave a star rating! It gives my readers and me helpful feedback. If you want more recipes, subscribe to my newsletter, and follow me on Instagram, Pinterest, and Facebook!

    Recipe Card

    Sliced chocolate orange cake on a plate.

    Chocolate Orange Cake

    Angie Dixon
    This easy chocolate orange cake consists of a delicious orange sponge topped with orange chocolate ganache.
    4.8 from 5 votes
    Print Recipe Pin Recipe Email Recipe Save Recipe Saved!
    Prep time.Prep Time 45 minutes mins
    Cook time.Cook Time 35 minutes mins
    Total time.Total Time 1 hour hr 20 minutes mins
    CourseCourse Dessert
    CuisineCuisine British
    Servings 12 slices

    Equipment

    • 9 Inch Round (23cm) Springform Pan or
    • 8 Inch Round (20cm) Springform Pan

    Ingredients
     
     

    Orange Sponge Cake

    • 250 grams white granulated sugar
    • zest of 2 oranges
    • 125 grams butter (*note 1)
    • 3 eggs (Size 6/Med/large*note 2)
    • 2 teaspoons vanilla extract
    • 3 teaspoons baking powder
    • ½ teaspoons table salt
    • 340 grams plain flour
    • 250 milliliters orange juice

    Orange Drizzle

    • 250 milliliters orange juice
    • 100 grams white granulated sugar (50-100grams, depending on your personal taste*note 3)
    • zest of an orange

    Chocolate Orange Ganache *note 5

    • 150 grams dark chocolate
    • 150 grams cream (*note 4 - heavy or whipping)
    • zest of an orange
    Prevent your screen from going dark

    Instructions

    • Preheat the oven to 180°/350°F. Grease an 8 or 9-inch (20 or 23cm) round springform cake tin with non-stick cooking spray and baking/parchment paper. *Note 6
    • In a large mixing bowl, or the bowl of a stand mixer, combine the sugar and the finely chopped orange zest. Run the mixer at a low speed for 3 to 5 minutes, or rub the zest into the sugar for 3 to 5 minutes. *Note 7
      250 grams white granulated sugar, zest of 2 oranges
    • Pop the room-temperature butter into the sugar-zest mixture and cream on high speed until light and fluffy (3-5 minutes). 
      125 grams butter
    • Add in the vanilla extract and room temperature eggs, and beat on a medium-high speed until well incorporated, light, and fluffy. 
      3 eggs, 2 teaspoons vanilla extract
    • Combine the dry ingredients (flour, baking powder, and salt) in a separate bowl, whisk, or stir together.
      3 teaspoons baking powder, 340 grams plain flour, ½ teaspoons table salt
    • Add in the orange juice and mix through until combined. Then add in half the dry ingredients, and mix until combined. Add the rest and mix until combined.
      250 milliliters orange juice
    • Pour the cake batter into the prepared cake pan and bake in a preheated oven for 35-45 minutes. The cake is done when a cake tester comes out mostly clean from the center of the cake. 
    • While the cake is baking, combine the orange juice and sugar in a small pot. Bring to a boil, and then reduce the heat and simmer for 5 minutes, or until the syrup thickens slightly. 
      100 grams white granulated sugar, zest of an orange, 250 milliliters orange juice
    • While the cake is hot/warm, poke it all over with a cake tester/toothpick, then pour the syrup over the cake. Allow the cake to cool completely before removing it from the springform pan and placing it on a cake stand or plate. 
    • To make the chocolate ganache, heat the cream over medium heat in a small saucepan or in a heatproof bowl in the microwave. Once the cream is hot and bubbling at the edges, toss in the chocolate, and the orange zest. Allow the mixture to sit for 5 minutes and whisk together until the ganache is smooth and creamy. Add the zest of an orange and stir through.
      150 grams dark chocolate, 150 grams cream, zest of an orange
    • Allow the ganache to cool, stirring every 15 minutes to check on the consistency. The ganache is ready when it is thick yet still spreadable. 
    • Dollop the ganache over the top of the cake, using an offset spatula or the back of a spoon, and swirl over the top of the cake. Decorate the cake with thin slices of orange if desired. If you want, a more pourable ganache can be poured over the top of the cake and allowed to drip down the edges of the cake. 
    • Allow the ganache to set before serving. Use a knife run under hot water to slice evenly through the ganache.

    Notes

    1. 125 grams of butter is equal to 1 stick plus 2 tablespoon but is equal to ½ cup in the UK, Aus, NZ, and South Africa.
    2. New Zealand size 6 eggs are around the same size as an Australian/South African Large or a US/Europe Medium.
    3. I have put in a sliding scale of sugar for the orange drizzle, so you can sweeten it to personal taste. 
    4. Cream - heavy or whipping cream, one that has approximately 35-37% milk fat.
    5. I have used 150 grams of dark chocolate and cream for the ganache, which is a 1:1 ratio (weight not volume). But to be honest, this can be anything between 110-170 grams of each.
      • 110-170 grams of dark chocolate is ⅔ - 1 cup 
      • 110-170 grams of cream is ½ to ¾ cup 
    6. I typically crunch up a piece of baking/parchment paper, then press it onto the bottom portion of the cake pan before clipping the spring in place. 
    7. Rubbing the zest into the sugar releases the oils and flavors in the orange zest, deepening the orange flavor. 

    Storage and Freezing

    This cake can be stored in an airtight container for up to 2 days and then refrigerated for up to a week. 
    Slices of cake can be frozen in an airtight container for up to a month. Defrost and bring to room temperature before serving.

    Nutrition

    Serving: 1slice | Calories: 435kcal | Carbohydrates: 59g | Protein: 6g | Fat: 20g | Sodium: 293mg

    Nutrition information is an estimate. If scaling the recipe remember to scale your cook and bakeware accordingly. All temperatures stated are conventional, unless otherwise stated. Recipes tested in grams and at sea level.

    Tried this recipe?Let us know how it was!
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      Recipe Rating




    1. Danielle says

      September 07, 2023 at 7:00 am

      5 stars
      Mmmmmmmmm this was amazing!!

      My partner has demolished 2 slices already…… perfect!

      Reply
      • Mary-Lou Watkins says

        September 07, 2023 at 8:34 am

        Thank you for the feedback! I'm so glad you are enjoying it 🙂 I love waking up in the morning to these types of comments!

        Reply

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