Chocolate Sheet Cake
If you’re looking for a dessert that perfectly balances ease and indulgence, then this Chocolate Sheet Cake is just what you need! This recipe has been a family favorite for years, making appearances at birthdays, potlucks, and even those cozy weeknight dinners when you just want something sweet to brighten your day. The best part? It’s incredibly simple to whip up, which means more time enjoying the cake and less time stressing in the kitchen.
What makes this cake truly special is its rich, chocolatey flavor and moist texture. Every bite feels like a warm hug! Whether you’re celebrating a special occasion or just treating yourself, this Chocolate Sheet Cake will leave everyone asking for seconds—and maybe even thirds!
Why You’ll Love This Recipe
- Easy to make: This recipe is straightforward and perfect for bakers of all skill levels.
- Family-friendly: Kids and adults alike will adore the rich chocolate flavor—it’s hard to resist!
- Perfect for any occasion: Whether it’s a birthday or a casual gathering, this cake fits right in.
- Make-ahead option: You can bake it in advance and frost it later, making party prep a breeze!
- Deliciously moist: The combination of ingredients ensures every slice is tender and flavorful.

Ingredients You’ll Need
You don’t need fancy ingredients to create a stunning dessert. This Chocolate Sheet Cake uses simple, wholesome items that you might already have in your pantry. Here’s what you’ll grab:
- 2 cups all-purpose flour
- 2 cups granulated sugar
- ¾ cup unsweetened cocoa powder
- 1 ½ tsp baking soda
- 1 tsp salt
- 2 large eggs
- 1 cup buttermilk
- ½ cup vegetable oil
- 2 tsp vanilla extract
- 1 cup boiling water
Variations
One of the best things about this recipe is how flexible it can be! Feel free to play around with flavors or add your own personal twist. Here are some ideas to get you started:
- Add nuts: Chopped walnuts or pecans can give a delightful crunch.
- Mix in chocolate chips: For an extra chocolatey treat, fold in some semi-sweet chocolate chips before baking.
- Try different frostings: Swap the traditional icing for cream cheese frosting or even a whipped coconut topping for a lighter option.
- Incorporate espresso powder: A teaspoon of espresso powder enhances the chocolate flavor beautifully.
How to Make Chocolate Sheet Cake
Step 1: Preheat Your Oven
Preheat your oven to 350°F (175°C). Greasing an 18×13-inch baking sheet is essential so that your cake releases easily after baking. Don’t skip this step!
Step 2: Mix the Dry Ingredients
In a large bowl, whisk together the flour, sugar, cocoa powder, baking soda, and salt until everything is well combined. This ensures that each slice of cake has that amazing chocolate flavor throughout.
Step 3: Add Wet Ingredients
Now it’s time to add in those wet ingredients! Incorporate the eggs, buttermilk, vegetable oil, and vanilla extract into the dry mixture. Mix just until combined; overmixing can lead to a dense cake!
Step 4: Stir in Boiling Water
Carefully stir in the boiling water—this may seem unusual but it helps create that moist texture we’re after. Once everything is smooth, you’re ready to pour!
Step 5: Bake It Up
Pour your batter into the prepared pan and pop it into your preheated oven. Bake for about 30-35 minutes or until a toothpick inserted into the center comes out clean. The smell wafting through your kitchen will be heavenly!
Step 6: Cool and Frost
Let the cake cool completely before frosting with your favorite chocolate icing. Patience pays off as this cooling time allows all those delicious flavors to meld together.
Enjoy sharing this delightful Chocolate Sheet Cake with family and friends—it’s bound to become one of their favorites too!
Pro Tips for Making Chocolate Sheet Cake
Baking a chocolate sheet cake is a delightful experience, and with these pro tips, you’ll ensure your cake turns out perfectly every time!
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Use room temperature ingredients: Bringing your eggs and buttermilk to room temperature helps them mix more easily into the batter, resulting in a smoother texture and better rise.
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Measure flour correctly: Spoon the flour into a measuring cup and level it off with a knife. This prevents you from packing it down, which can lead to a dense cake.
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Don’t skip the boiling water: Adding boiling water helps dissolve the cocoa powder and creates a silky batter that results in a moist cake. It’s an essential step for that melt-in-your-mouth texture!
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Test for doneness: Since ovens can vary, start checking your cake at the 30-minute mark. Insert a toothpick in the center; if it comes out clean or with just a few crumbs, your cake is ready.
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Cool completely before frosting: Allowing the cake to cool fully helps prevent the frosting from melting off. This way, you’ll achieve that beautiful finish when serving!
How to Serve Chocolate Sheet Cake
Presenting your chocolate sheet cake can be just as fun as baking it! Here are some creative ideas to make it truly special.
Garnishes
- Whipped coconut cream: Light and airy, this dairy-free option adds a touch of sweetness and complements the chocolate’s richness beautifully.
- Chocolate shavings: Use a vegetable peeler to create delicate curls from dark chocolate. They add an elegant touch that will impress your guests.
Side Dishes
- Fresh berries: A mix of strawberries, raspberries, or blueberries not only adds color but also provides a refreshing contrast to the rich chocolate flavor.
- Vanilla ice cream: A classic pairing! The creamy vanilla ice cream melts slightly against the warm cake, creating an irresistible combination.
- Mint leaves: A simple garnish of fresh mint leaves can brighten up your dessert plate visually and offer a refreshing taste that balances the sweetness.
- Coffee or espresso: Serving your cake alongside a cup of coffee enhances its flavors. The bitterness of the coffee complements the sweetness of the chocolate perfectly!
With these tips and serving suggestions, you’re all set to create not just a delicious dessert but an unforgettable experience for everyone at your table! Enjoy every slice!

Make Ahead and Storage
This chocolate sheet cake is perfect for meal prep, as it can be made in advance and stored for later enjoyment. Whether you’re planning a special occasion or just want a sweet treat on hand, here’s how to keep your cake fresh.
Storing Leftovers
- Store any leftover cake in an airtight container at room temperature for up to 3 days.
- If you prefer, refrigerate the cake to extend its freshness for up to a week.
- For best results, cover the cake with plastic wrap or aluminum foil to prevent it from drying out.
Freezing
- Cut the cooled cake into individual slices or keep it whole.
- Wrap each slice or the whole cake tightly in plastic wrap, then place it in a freezer-safe container or bag.
- Freeze for up to 3 months. When you’re ready to enjoy it, simply thaw it overnight in the refrigerator.
Reheating
- To serve warm, preheat your oven to 350°F (175°C).
- Place slices of the cake on a baking sheet and heat for about 10 minutes.
- Alternatively, you can microwave individual pieces for about 20-30 seconds until warmed through.
FAQs
Here are some common questions about making this delicious chocolate sheet cake:
Can I use this chocolate sheet cake recipe for cupcakes?
Yes! You can easily transform this recipe into cupcakes. Fill cupcake liners with batter and bake at 350°F (175°C) for about 18-20 minutes or until a toothpick comes out clean.
What makes this chocolate sheet cake so moist?
The combination of buttermilk and boiling water adds moisture and richness to the batter, resulting in a wonderfully moist chocolate sheet cake that everyone will love!
How do I make this chocolate sheet cake more decadent?
Consider adding chocolate chips or nuts into the batter before baking. You can also top it with a rich ganache or your favorite frosting for an extra indulgent treat!
Can I substitute any ingredients in this chocolate sheet cake recipe?
Absolutely! You can replace buttermilk with a non-dairy milk plus vinegar or lemon juice as a substitute. Additionally, vegetable oil can be swapped with melted coconut oil if desired.
Final Thoughts
I hope you enjoy making this delightful chocolate sheet cake as much as I do! It’s not only easy to prepare but also incredibly satisfying. Perfect for sharing at gatherings or enjoying quietly at home, this recipe is sure to be a hit. Remember, there’s nothing like the smell of freshly baked chocolate treats wafting through your kitchen—so get baking and savor every bite!
Chocolate Sheet Cake
If you’re craving a dessert that beautifully blends simplicity with indulgence, this Chocolate Sheet Cake is the perfect solution. With its rich chocolate flavor and moist texture, it has been a beloved favorite for birthdays, potlucks, and cozy family dinners alike. Easy to make, this cake allows you to spend less time in the kitchen and more time enjoying delightful moments with loved ones. Whether you’re celebrating a special occasion or just treating yourself, this cake will surely impress everyone around the table.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: Serves approximately 24 people 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
- 2 cups all-purpose flour
- 2 cups granulated sugar
- ¾ cup unsweetened cocoa powder
- 1 ½ tsp baking soda
- 1 tsp salt
- 2 large eggs
- 1 cup buttermilk
- ½ cup vegetable oil
- 2 tsp vanilla extract
- 1 cup boiling water
Instructions
- Preheat your oven to 350°F (175°C) and grease an 18×13-inch baking sheet.
- In a large bowl, whisk together flour, sugar, cocoa powder, baking soda, and salt.
- Add eggs, buttermilk, vegetable oil, and vanilla to the dry ingredients; mix until combined.
- Carefully stir in boiling water until smooth.
- Pour batter into the prepared pan and bake for about 30-35 minutes or until a toothpick comes out clean.
- Allow the cake to cool completely before frosting with your choice of icing.
Nutrition
- Serving Size: 1 slice (60g)
- Calories: 233
- Sugar: 22g
- Sodium: 204mg
- Fat: 9g
- Saturated Fat: 1g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 36g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 34mg
