Orange Cake with Chocolate Buttercream and Orange Caramel

Why You’ll Love This Recipe

I love this cake because I get three distinctive flavors and textures in every slice. The orange cake is soft and fragrant, the chocolate buttercream is creamy and rich, and the orange caramel adds a sticky, bittersweet finish.

I also like how naturally chocolate and orange complement each other. Fresh orange zest keeps the cake bright, while dark chocolate prevents the buttercream from becoming overly sweet.

This is also a cake I can prepare in stages. I can bake the layers ahead of time, make the caramel separately, and assemble everything when I’m ready to serve it.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

For the Orange Cake

• All-purpose flour
• Baking powder
• Baking soda
• Fine salt
• Unsalted butter, softened
• Granulated sugar
• Large eggs
• Fresh orange zest
• Fresh orange juice
• Whole milk or buttermilk
• Vanilla extract

For the Chocolate Buttercream

• Unsalted butter, softened
• Powdered sugar
• Unsweetened cocoa powder
• Dark chocolate, melted and cooled
• Heavy cream or whole milk
• Vanilla extract
• Fine salt

For the Orange Caramel

• Granulated sugar
• Unsalted butter
• Heavy cream
• Fresh orange juice
• Fresh orange zest
• Fine salt

For Decorating

• Fresh orange zest, optional
• Candied orange peel, optional
• Dark chocolate shavings, optional
• Thin orange slices, optional

Directions

1. Prepare the Cake Pans

I preheat my oven to 350°F (175°C). I grease two 8-inch round cake pans and line the bottoms with parchment paper.

I like using two pans because they give me even layers without needing to cut one tall cake horizontally.

2. Combine the Dry Ingredients

I whisk together the flour, baking powder, baking soda, and salt in a medium bowl. I set the mixture aside while I prepare the wet ingredients.

3. Cream the Butter and Sugar

I beat the softened butter and granulated sugar until pale and fluffy. I add the eggs one at a time, mixing well after each addition.

I then mix in the fresh orange zest and vanilla. I use plenty of finely grated zest because I find it provides a stronger natural orange flavor than juice alone.

4. Finish the Orange Cake Batter

I gradually add the dry ingredients, alternating with the orange juice and milk or buttermilk.

I mix only until everything is combined. I avoid overmixing at this stage because I want my cake layers to stay light and tender.

5. Bake the Cake

I divide the batter evenly between my prepared pans and smooth the tops.

I bake the layers for approximately 25–30 minutes, or until they’re lightly golden and a toothpick inserted into the center comes out clean or with a few moist crumbs.

I leave the cakes in their pans for about 10 minutes before transferring them to wire racks to cool completely.

6. Make the Orange Caramel

I place the granulated sugar in a heavy saucepan and heat it gently until it melts and develops a deep amber color.

I carefully add the butter, followed by the warm heavy cream. The mixture will bubble vigorously, so I add the ingredients slowly and stir carefully.

I stir in a little orange juice, finely grated orange zest, and salt. I simmer the caramel briefly until smooth and slightly thickened, then let it cool completely.

7. Make the Chocolate Buttercream

I beat the softened butter until smooth and creamy. I gradually add the powdered sugar and cocoa powder, mixing until incorporated.

I add the melted and cooled dark chocolate, vanilla, and a pinch of salt. I finish with enough cream or milk to create a smooth, spreadable consistency.

8. Assemble the Cake

I place my first cooled cake layer on a serving plate and spread chocolate buttercream evenly over the surface.

I drizzle a small amount of cooled orange caramel over the buttercream, keeping it slightly away from the edge so it doesn’t escape when I add the second layer.

I position the second cake layer on top and cover the top and sides with the remaining chocolate buttercream.

9. Decorate

I drizzle orange caramel over the top, allowing a little to run naturally down the sides.

I finish the cake with fresh orange zest, candied orange peel, chocolate shavings, or thin orange slices. I let the caramel settle before slicing.

Servings and Timing

I usually cut this layer cake into 10 to 12 servings.

• Prep time: 35 minutes
• Baking time: 25–30 minutes
• Cooling time: about 1 hour
• Buttercream and caramel preparation: 30 minutes
• Assembly and decorating time: 25 minutes
• Total time: approximately 2 hours 30 minutes
• Servings: 10–12

I can reduce the work on serving day by baking the cake layers and preparing the orange caramel in advance.

Variations

For a chocolate-orange cake, I replace a portion of the flour with cocoa powder. I then get chocolate in both the cake and buttercream, with orange providing a bright contrast.

For a stronger citrus flavor, I brush the cooled cake layers with a simple orange syrup before adding the buttercream. I find this also helps keep the layers especially moist.

When I want a darker, less sweet finish, I use dark chocolate with a high cocoa percentage in the buttercream. I particularly like this option because it balances the sweet orange caramel.

For additional texture, I scatter finely chopped toasted hazelnuts or almonds between the cake layers. Both nuts work beautifully with chocolate and orange.

I can also add candied orange peel between the layers or use it as decoration. The chewy citrus pieces create a pleasant contrast with the soft cake and creamy frosting.

Storage/Reheating

I store the assembled cake covered in the refrigerator for up to 4 days. Because buttercream becomes firmer when cold, I prefer taking the cake out of the refrigerator about 30 minutes before serving.

I keep extra orange caramel in a covered container in the refrigerator. If it becomes too thick, I gently warm it until it returns to a pourable consistency.

I don’t recommend reheating the assembled cake because the chocolate buttercream can melt. I simply let individual slices come closer to room temperature before eating them.

I can freeze the unfrosted orange cake layers for up to 2 months. I wrap each cooled layer tightly and thaw it before adding the buttercream and caramel.

FAQs

Can I make the orange caramel ahead of time?

Yes. I often make my orange caramel ahead and store it covered in the refrigerator. I gently warm it before assembling the cake if it has become too firm to drizzle.

How do I stop my orange caramel from becoming bitter?

I watch the sugar carefully as it caramelizes. I want a rich amber color, but I remove it from the heat before it becomes extremely dark. Once sugar begins burning, I find the flavor quickly becomes unpleasantly bitter.

Can I use milk chocolate instead of dark chocolate in the buttercream?

Yes. I can use milk chocolate, although the buttercream will be sweeter and have a milder chocolate flavor. I prefer dark chocolate because its bitterness creates a stronger contrast with the sweet caramel and orange cake.

How can I make the orange flavor stronger?

I add plenty of finely grated fresh orange zest because it contains concentrated aromatic oils. I can also brush the cake layers with orange syrup or add finely chopped candied orange peel between them.

Can I make this cake a day before serving?

Yes. I can assemble the entire cake the day before and refrigerate it. I prefer adding my final caramel drizzle and decorative orange garnishes closer to serving time so they look their best.

Conclusion

Orange cake with chocolate buttercream and orange caramel is a dessert I love when I want to make orange cake feel especially decadent. The tender citrus layers keep the cake bright, while dark chocolate buttercream brings richness and the orange caramel ties everything together with a buttery, bittersweet finish.

Orange Cake with Chocolate Buttercream and Orange Caramel

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A decadent celebration cake with tender orange-scented layers, rich dark chocolate buttercream, and glossy orange caramel. Fresh citrus balances the chocolate and buttery caramel for a bright yet indulgent dessert.

• Author: Laura
• Prep Time: 35 minutes
• Cook Time: 25–30 minutes
• Total Time: Approximately 2 hours 30 minutes
• Yield: 10–12 servings
• Category: Dessert
• Method: Baking
• Cuisine: American
• Diet: Vegetarian

Ingredients

• All-purpose flour
• Baking powder
• Baking soda
• Fine salt
• Unsalted butter, softened
• Granulated sugar
• Large eggs
• Fresh orange zest
• Fresh orange juice
• Whole milk or buttermilk
• Vanilla extract
• Unsalted butter, softened, for the chocolate buttercream
• Powdered sugar
• Unsweetened cocoa powder
• Dark chocolate, melted and cooled
• Heavy cream or whole milk, for the chocolate buttercream
• Vanilla extract, for the chocolate buttercream
• Fine salt, for the chocolate buttercream
• Granulated sugar, for the orange caramel
• Unsalted butter, for the orange caramel
• Heavy cream, for the orange caramel
• Fresh orange juice, for the orange caramel
• Fresh orange zest, for the orange caramel
• Fine salt, for the orange caramel
• Fresh orange zest, optional for decorating
• Candied orange peel, optional for decorating
• Dark chocolate shavings, optional for decorating
• Thin orange slices, optional for decorating

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Instructions

1. Preheat the oven to 350°F (175°C). Grease two 8-inch round cake pans and line the bottoms with parchment paper.
2. Whisk together the all-purpose flour, baking powder, baking soda, and salt in a medium bowl. Set aside.
3. Beat the softened butter and granulated sugar until pale and fluffy. Add the eggs one at a time, mixing well after each addition. Mix in the fresh orange zest and vanilla extract.
4. Gradually add the dry ingredients, alternating with the fresh orange juice and milk or buttermilk. Mix only until combined.
5. Divide the batter evenly between the prepared pans and smooth the tops. Bake for 25 to 30 minutes, until lightly golden and a toothpick inserted into the center comes out clean or with a few moist crumbs.
6. Cool the cakes in their pans for about 10 minutes, then transfer them to wire racks and cool completely.
7. To make the orange caramel, heat the granulated sugar in a heavy saucepan until melted and deep amber. Carefully add the butter, followed slowly by the warm heavy cream, stirring cautiously as the mixture bubbles. Stir in the orange juice, orange zest, and salt. Simmer briefly until smooth and slightly thickened, then cool completely.
8. To make the chocolate buttercream, beat the softened butter until smooth and creamy. Gradually beat in the powdered sugar and cocoa powder. Add the melted and cooled dark chocolate, vanilla extract, and salt. Mix in enough heavy cream or milk to create a smooth, spreadable consistency.
9. Place one completely cooled cake layer on a serving plate and spread with chocolate buttercream. Drizzle a small amount of cooled orange caramel over the buttercream, keeping the caramel slightly away from the edge.
10. Place the second cake layer on top. Cover the top and sides of the cake with the remaining chocolate buttercream.
11. Drizzle orange caramel over the top, allowing some to run naturally down the sides. Decorate with optional fresh orange zest, candied orange peel, dark chocolate shavings, or thin orange slices. Let the caramel settle before slicing.

Notes

• Use plenty of finely grated fresh orange zest for a stronger natural citrus aroma without adding excess liquid to the batter.
• Watch the sugar carefully when preparing the caramel and remove it from the heat once it reaches a rich amber color to prevent burning.
• Make sure the orange caramel is cool before adding it between the cake layers so it does not melt the buttercream.
• For stronger citrus flavor and extra moisture, brush the cooled cake layers with simple orange syrup before frosting.
• For a darker, less sweet buttercream, use dark chocolate with a higher cocoa percentage.
• Chopped toasted hazelnuts or almonds can be added between the layers for extra texture.
• The cake layers and orange caramel can be prepared ahead of time. Refrigerate the caramel and gently warm it if it becomes too thick to drizzle.
• Store the assembled cake covered in the refrigerator for up to 4 days and bring it closer to room temperature for about 30 minutes before serving.
• Unfrosted cake layers can be wrapped tightly and frozen for up to 2 months.

Nutrition

• Serving Size: 1 slice
• Calories: 690 kcal
• Sugar: 58 g
• Sodium: 260 mg
• Fat: 40 g
• Saturated Fat: 25 g
• Unsaturated Fat: 13 g
• Trans Fat: 1 g
• Carbohydrates: 78 g
• Fiber: 3 g
• Protein: 7 g
• Cholesterol: 135 mg