Chocolate Orange Sheet Cake

Highlighted under: Sweet Collection

I absolutely love making this Chocolate Orange Sheet Cake, as it perfectly combines rich chocolate and zesty orange flavors. Whenever I bake this cake, the aroma fills my kitchen, and it always impresses my family and friends. The moist and fluffy texture makes each bite satisfying, and the chocolate-orange pairing takes it to another level. This recipe is surprisingly simple yet produces a stunning result that's perfect for gatherings or just as an indulgent treat at home.

Elodie March

Created by

Elodie March

Last updated on 2026-01-05T19:29:34.677Z

When I first baked this Chocolate Orange Sheet Cake, I was amazed at how well chocolate and orange complement each other, creating a delightful harmony of flavors. I remember experimenting with several citrus variations, but orange stood out as the perfect counterpart to the deep, rich cocoa.

To ensure the best result, I use freshly grated orange zest, which enhances the cake's moisture and aroma. Each slice of this cake is a celebration, making it my go-to recipe for parties or simply whenever I crave a slice of bliss. It’s a crowd-pleaser that never fails to impress!

Why You'll Love This Recipe

  • Rich chocolate flavor paired with fresh orange zest
  • Creamy texture that melts in your mouth
  • Perfect for celebrations or as a sweet indulgence

Understanding the Ingredients

The combination of baking powder and baking soda in this cake serves a crucial role in achieving that perfect rise. Baking powder adds a leavening effect right as it hits moisture, while baking soda reacts with the acidity from the cocoa powder and orange juice. This balanced duo not only gives the cake its airy texture but also enhances the rich chocolate flavor. Pay close attention to these rising agents; using outdated ones can lead to a dense cake that doesn’t rise as expected.

The unsweetened cocoa powder in this recipe creates a deep, indulgent chocolate taste without overwhelming sweetness. If you’re looking to lighten up the flavor profile, consider substituting part of the cocoa powder with Dutch-processed cocoa, which offers a milder taste. Additionally, the quality of your cocoa powder makes a significant difference in flavor; opt for a high-quality brand to elevate your cake.

Frosting Techniques

When making the frosting, ensure your butter is at room temperature; this is essential for achieving a smooth and creamy consistency. If the butter is too cold, you may end up with a lumpy frosting that doesn't spread easily. For an ideal softness, the butter should give slightly when pressed but not be melted. If you accidentally melt the butter, refrigerate it briefly to bring it back to the right consistency before adding the cocoa and sugar.

For an extra layer of flavor, consider adding a splash of orange juice or a hint of orange extract to the frosting. This will intensify the cake's citrus notes, creating a harmonious balance between chocolate and orange. Be cautious with the liquid, though; you want to maintain a thick frosting that holds its shape. If your frosting becomes too thin, simply add a bit more powdered sugar until the desired consistency is achieved.

Serving and Storage Tips

This Chocolate Orange Sheet Cake is incredibly versatile when it comes to serving. It pairs beautifully with a scoop of vanilla ice cream or a dollop of whipped cream. For an added flair, garnish each slice with a twist of orange peel or a sprinkle of cocoa powder. This not only enhances the presentation but also boosts the citrus aroma, bringing out the flavors even more.

If you're looking to make the cake ahead of time, it stores well in an airtight container at room temperature for up to three days. For longer storage, you can freeze the un-frosted cake for up to two months. Simply wrap it tightly in plastic wrap and then in aluminum foil to prevent freezer burn. When you're ready to serve, thaw in the refrigerator before frosting and enjoy a cake that tastes as fresh as the day you made it.

Ingredients

Gather these ingredients to start creating your delicious Chocolate Orange Sheet Cake!

For the Cake

  • 1 ¾ cups all-purpose flour
  • 1 ½ cups granulated sugar
  • ¾ cup unsweetened cocoa powder
  • 1 ½ teaspoons baking powder
  • 1 ½ teaspoons baking soda
  • 1 teaspoon salt
  • 2 large eggs
  • 1 cup whole milk
  • ½ cup vegetable oil
  • 2 teaspoons pure vanilla extract
  • 1 cup boiling water
  • Zest of 1 large orange

For the Frosting

  • ½ cup unsalted butter, softened
  • 2/3 cup unsweetened cocoa powder
  • 3 cups powdered sugar
  • 1/3 cup whole milk
  • 1 teaspoon pure vanilla extract
  • Zest of 1 orange for garnish

Make sure you measure your ingredients accurately for the best results!

Instructions

Follow these steps to create your delicious Chocolate Orange Sheet Cake.

Preheat the Oven

Preheat your oven to 350°F (175°C) and grease a 13x9 inch baking dish.

Combine Dry Ingredients

In a large bowl, sift together the flour, sugar, cocoa powder, baking powder, baking soda, and salt.

Mix Wet Ingredients

In another bowl, whisk together the eggs, milk, oil, vanilla extract, and orange zest until well combined.

Combine and Add Water

Gradually add the wet ingredients to the dry ingredients, mixing until smooth. Then stir in the boiling water until well blended.

Bake

Pour the batter into the prepared baking dish and bake for 30 minutes or until a toothpick inserted in the center comes out clean.

Prepare the Frosting

While the cake cools, whip the butter until creamy. Gradually add cocoa powder and powdered sugar, alternating with milk, until you achieve a smooth consistency. Stir in vanilla extract.

Frost the Cake

Once the cake has cooled completely, spread the frosting evenly over the top and garnish with orange zest.

Enjoy your homemade Chocolate Orange Sheet Cake!

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Pro Tips

  • For an extra kick, consider adding a splash of orange juice to the batter for heightened flavor.

Troubleshooting Common Issues

Overmixing the batter can lead to a dense cake due to gluten formation, so mix just until the ingredients are combined with small lumps remaining. It's normal for the batter to be relatively thin due to the boiling water, which helps create a moist cake, so don't be alarmed by its consistency. Additionally, if your cake domes in the center, you might be using too much baking powder. Make sure to measure accurately and ensure that your leavening agents are fresh.

If the cake edges start to overbake, consider tenting it with aluminum foil during the last few minutes of baking. This can prevent the edges from becoming too dry while allowing the center to finish baking. Use a toothpick inserted in the center; it should come out clean or with a few moist crumbs. Remember that the cake will continue to set slightly as it cools in the pan.

Variations to Try

For a unique twist, try adding a splash of espresso to the batter. This not only boosts the chocolate flavor but also adds a subtle depth that pairs wonderfully with orange. You could also incorporate chocolate chips mixed with orange zest into the batter for added texture and bursts of flavor throughout the cake.

If you're looking for a healthier version, substitute half of the all-purpose flour with whole wheat flour or almond flour. This change will affect the texture slightly, making the cake denser, but still delightful. Additionally, using a natural sweetener like honey or maple syrup could work too, just be mindful of the ratio and adjust the liquid ingredients accordingly.

Questions About Recipes

→ Can I make this cake in advance?

Yes, you can bake the cake and store it in an airtight container for up to 3 days before frosting.

→ What should I do if my cake is too dry?

Make sure to measure your ingredients accurately, and avoid over-baking the cake.

→ Can I use other citrus fruits?

Absolutely! You can experiment with lemon or lime zest for a different flavor profile.

→ How do I store leftover cake?

Store leftovers in an airtight container at room temperature for 2-3 days or in the refrigerator for a week.

Chocolate Orange Sheet Cake

I absolutely love making this Chocolate Orange Sheet Cake, as it perfectly combines rich chocolate and zesty orange flavors. Whenever I bake this cake, the aroma fills my kitchen, and it always impresses my family and friends. The moist and fluffy texture makes each bite satisfying, and the chocolate-orange pairing takes it to another level. This recipe is surprisingly simple yet produces a stunning result that's perfect for gatherings or just as an indulgent treat at home.

Prep Time20 minutes
Cooking Duration30 minutes
Overall Time50 minutes

Created by: Elodie March

Recipe Type: Sweet Collection

Skill Level: Beginner

Final Quantity: 12 servings

What You'll Need

For the Cake

  1. 1 ¾ cups all-purpose flour
  2. 1 ½ cups granulated sugar
  3. ¾ cup unsweetened cocoa powder
  4. 1 ½ teaspoons baking powder
  5. 1 ½ teaspoons baking soda
  6. 1 teaspoon salt
  7. 2 large eggs
  8. 1 cup whole milk
  9. ½ cup vegetable oil
  10. 2 teaspoons pure vanilla extract
  11. 1 cup boiling water
  12. Zest of 1 large orange

For the Frosting

  1. ½ cup unsalted butter, softened
  2. 2/3 cup unsweetened cocoa powder
  3. 3 cups powdered sugar
  4. 1/3 cup whole milk
  5. 1 teaspoon pure vanilla extract
  6. Zest of 1 orange for garnish

How-To Steps

Step 01

Preheat your oven to 350°F (175°C) and grease a 13x9 inch baking dish.

Step 02

In a large bowl, sift together the flour, sugar, cocoa powder, baking powder, baking soda, and salt.

Step 03

In another bowl, whisk together the eggs, milk, oil, vanilla extract, and orange zest until well combined.

Step 04

Gradually add the wet ingredients to the dry ingredients, mixing until smooth. Then stir in the boiling water until well blended.

Step 05

Pour the batter into the prepared baking dish and bake for 30 minutes or until a toothpick inserted in the center comes out clean.

Step 06

While the cake cools, whip the butter until creamy. Gradually add cocoa powder and powdered sugar, alternating with milk, until you achieve a smooth consistency. Stir in vanilla extract.

Step 07

Once the cake has cooled completely, spread the frosting evenly over the top and garnish with orange zest.

Extra Tips

  1. For an extra kick, consider adding a splash of orange juice to the batter for heightened flavor.

Nutritional Breakdown (Per Serving)

  • Calories: 380 kcal
  • Total Fat: 26g
  • Saturated Fat: 15g
  • Cholesterol: 195mg
  • Sodium: 85mg
  • Total Carbohydrates: 32g
  • Dietary Fiber: 3g
  • Sugars: 24g
  • Protein: 6g