Chocolate Orange Sheet Cake

Highlighted under: Classic Recipes

I absolutely love baking this Chocolate Orange Sheet Cake! The combination of rich chocolate and zesty orange is simply irresistible. Every bite offers a delightful contrast between the deep cocoa and the fresh citrus notes, making it perfect for any occasion. Whether it’s a birthday party or a cozy family gathering, this cake never fails to impress. Plus, I enjoy how straightforward the recipe is, allowing even novice bakers to create a stunning dessert. Trust me, your friends and family will be asking for seconds!

Kitty Lawrence

Created by

Kitty Lawrence

Last updated on 2026-01-05T19:09:34.550Z

When I first attempted this cake, I was amazed by how well the flavors balanced each other. The chocolate is rich and decadent, while the orange zest adds a refreshing lightness. I remember the first time I served it at a gathering; everyone was raving about it! I experimented with various methods and found that incorporating the zest into the batter gives a more pronounced flavor.

Moreover, using a high-quality cocoa powder makes a significant difference in the cake's overall taste. The aroma that fills the kitchen while it's baking is enough to make anyone eager for a slice. If you want to impress your guests, serve this cake with a dollop of whipped cream and a sprinkle of orange zest on top!

Why You'll Love This Cake

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

Mastering the Mixing Technique

When combining the dry ingredients, it's crucial to ensure they are mixed thoroughly. This prevents clumps of cocoa powder or flour from forming, leading to uneven texture in the cake. I like to use a whisk to aerate the mixture before adding the wet ingredients, enhancing the cake’s fluffiness. Additionally, when introducing boiling water, do so gradually to avoid cooking the eggs. This method results in a smooth batter, critical for achieving that melt-in-your-mouth experience.

If you're uncertain about your batter's consistency, remember that it should be relatively thin, more so than traditional cake batters. The liquid from the boiling water ensures a moist texture, but if it seems too thick, a splash more of water can help. This cake is forgiving, so don’t hesitate to adjust slightly as needed!

Key Ingredients and Their Roles

Each ingredient in this Chocolate Orange Sheet Cake serves a specific purpose. For instance, the cocoa powder not only imparts deep chocolate flavor but also contributes to the cake's richness and helps retain moisture. The baking powder and baking soda work together to elevate the cake, ensuring it rises properly. If you prefer a different flavor profile, consider substituting part of the cocoa powder with a high-quality Dutch-processed cocoa for a smoother chocolate taste.

Orange zest is not just an aromatic addition; it helps to brighten the cake's flavor profile and provides a refreshing contrast to the rich chocolate. If you’re looking for a non-citrus alternative, you could experiment with mint extract or even a hint of espresso powder for a different twist.

Frosting Tips for Success

For the frosting, ensure your butter is at room temperature to achieve the perfect creamy consistency. If you find it too hard, you can microwave it in short bursts of 5-10 seconds until softened but not melted. This will help in creating a frosting that spreads easily over the cake. As you add the powdered sugar and cocoa, sift them first to eliminate lumps and create a smoother texture in your final product.

If you prefer a richer frosting, you can substitute half of the heavy cream with sour cream, which not only adds depth to the flavor but also provides a unique tang that complements the chocolate and orange. For storage, this frosting can be kept in the refrigerator for up to a week, making it perfect for make-ahead baking.

Ingredients

Gather these ingredients to create a delicious Chocolate Orange Sheet Cake:

For the Cake

  • 1 ¾ cups all-purpose flour
  • ¾ cup cocoa powder
  • 2 cups sugar
  • 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 vanilla extract
  • 1 cup boiling water
  • Zest of 1 orange

For the Frosting

  • 1 cup unsalted butter, at room temperature
  • 3 ½ cups powdered sugar
  • ½ cup cocoa powder
  • ⅓ cup heavy cream
  • 2 teaspoons vanilla extract
  • Zest of 1 orange

Be sure to measure all ingredients precisely for the best results!

Instructions

Follow these steps to bake your Chocolate Orange Sheet Cake:

Preheat the Oven

Preheat your oven to 350°F (175°C). Grease and flour a 9x13 inch baking pan.

Mix the Dry Ingredients

In a large bowl, combine flour, cocoa powder, sugar, baking powder, baking soda, and salt.

Add Wet Ingredients

Add eggs, milk, oil, and vanilla extract to the dry ingredients. Mix until well combined, then carefully add the boiling water and orange zest.

Bake the Cake

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

Prepare the Frosting

While the cake cools, beat the butter until creamy. Gradually add powdered sugar, cocoa powder, and cream, mixing until smooth. Stir in vanilla and orange zest.

Frost the Cake

Spread the frosting evenly over the cooled cake, ensuring a decadent finish.

Slice and serve your delicious cake to friends and family!

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Pro Tips

  • For an extra citrus kick, consider adding a tablespoon of freshly squeezed orange juice to the frosting.

Serving and Storage Suggestions

This Chocolate Orange Sheet Cake is best served at room temperature, allowing the flavors to fully develop. When serving, I recommend garnishing with additional orange zest or even thin slices of fresh orange for a visually appealing touch. A dusting of extra powdered sugar on top can also enhance its presentation, making it a showstopper for any gathering.

For storage, cover the cake with plastic wrap or place it in an airtight container. It will remain fresh for up to four days at room temperature. If you need to keep it longer, it can be frozen. Cut the cake into individual pieces, wrap each slice tightly in plastic wrap, and store them in a freezer-safe container for up to three months. Just thaw at room temperature before serving.

Variations and Creative Twists

While this recipe shines with its chocolate-orange combination, feel free to get creative! You can add chopped walnuts or pecans into the batter for a delightful crunch, or even fold in chocolate chips for that extra chocolatey goodness. Incorporating a swirl of orange marmalade into the frosting can also provide a stunning visual and flavor contrast.

For a more decadent option, consider layering this sheet cake with a rich ganache or serving it alongside a scoop of vanilla ice cream. Not only does this add a luscious texture, but it also gives the cake a gourmet touch, perfect for special occasions or a luxurious treat.

Questions About Recipes

→ Can I use a different type of flour?

You can use cake flour for a lighter texture, but make sure to adjust the measurements accordingly.

→ How should I store leftovers?

Store the cake in an airtight container at room temperature for up to 3 days or refrigerate for up to a week.

→ Can this cake be frozen?

Yes, you can freeze the unfrosted cake for up to 3 months. Just wrap it tightly in plastic wrap.

→ What can I serve with this cake?

This cake pairs wonderfully with whipped cream, vanilla ice cream, or a scoop of orange sorbet.

Chocolate Orange Sheet Cake

I absolutely love baking this Chocolate Orange Sheet Cake! The combination of rich chocolate and zesty orange is simply irresistible. Every bite offers a delightful contrast between the deep cocoa and the fresh citrus notes, making it perfect for any occasion. Whether it’s a birthday party or a cozy family gathering, this cake never fails to impress. Plus, I enjoy how straightforward the recipe is, allowing even novice bakers to create a stunning dessert. Trust me, your friends and family will be asking for seconds!

Prep Time20 minutes
Cooking Duration30 minutes
Overall Time50 minutes

Created by: Kitty Lawrence

Recipe Type: Classic Recipes

Skill Level: Beginner

Final Quantity: 12 servings

What You'll Need

For the Cake

  1. 1 ¾ cups all-purpose flour
  2. ¾ cup cocoa powder
  3. 2 cups sugar
  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 vanilla extract
  11. 1 cup boiling water
  12. Zest of 1 orange

For the Frosting

  1. 1 cup unsalted butter, at room temperature
  2. 3 ½ cups powdered sugar
  3. ½ cup cocoa powder
  4. ⅓ cup heavy cream
  5. 2 teaspoons vanilla extract
  6. Zest of 1 orange

How-To Steps

Step 01

Preheat your oven to 350°F (175°C). Grease and flour a 9x13 inch baking pan.

Step 02

In a large bowl, combine flour, cocoa powder, sugar, baking powder, baking soda, and salt.

Step 03

Add eggs, milk, oil, and vanilla extract to the dry ingredients. Mix until well combined, then carefully add the boiling water and orange zest.

Step 04

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

Step 05

While the cake cools, beat the butter until creamy. Gradually add powdered sugar, cocoa powder, and cream, mixing until smooth. Stir in vanilla and orange zest.

Step 06

Spread the frosting evenly over the cooled cake, ensuring a decadent finish.

Extra Tips

  1. For an extra citrus kick, consider adding a tablespoon of freshly squeezed orange juice to the frosting.

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