Indulge in the delightful world of chocolate with this easy and delicious chocolate sheet cake. Perfect for any occasion, this cake is moist, rich, and topped with a velvety frosting that makes every bite irresistible. Whether you’re hosting a party or simply craving something sweet, this cake will satisfy your chocolate cravings and impress your guests. Let’s dive into this delectable recipe!
Ingredients
- 2 cups all-purpose flour
- 2 cups granulated sugar
- ¾ cup unsweetened cocoa powder
- 1 ½ tsp baking powder
- 1 ½ tsp baking soda
- 1 tsp salt
- 2 large eggs
- 1 cup whole milk
- ½ cup vegetable oil
- 2 tsp vanilla extract
- 1 cup boiling water
- Chocolate frosting for topping

Servings and Cooking Time
This recipe makes approximately 12 servings. Preparation time is about 20 minutes, and cooking time is around 30 minutes.
Nutritional Value
Each serving (1/12 of the cake) contains approximately 350 calories, 15g fat, 55g carbohydrates, and 5g protein. This nutritional information is based on one person.
Step-by-Step Cooking Process
- Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking pan.
- In a large bowl, sift together the flour, sugar, cocoa powder, baking powder, baking soda, and salt.
- Add the eggs, milk, oil, and vanilla extract to the dry ingredients and mix until combined.
- Carefully stir in the boiling water until the batter is smooth.
- Pour the batter into the prepared baking pan.
- Bake in the preheated oven for 30-35 minutes, or until a toothpick inserted in the center comes out clean.
- Remove from the oven and let it cool in the pan for 10 minutes.
- Transfer the cake to a wire rack to cool completely.
- Once cooled, frost the cake with your favorite chocolate frosting.
- Slice and serve to enjoy this delicious chocolate sheet cake!

Alternative Ingredients
You can substitute all-purpose flour with gluten-free flour for a gluten-free option. Unsweetened applesauce can replace oil for a healthier alternative. Additionally, you can use almond milk instead of whole milk for a dairy-free version.
Serving and Pairings
This chocolate sheet cake pairs beautifully with a scoop of vanilla ice cream or a dollop of whipped cream. Fresh berries or a drizzle of chocolate sauce can also enhance its presentation and flavor.
Storage and Reheating
Store any leftover cake in an airtight container at room temperature for up to 3 days or in the refrigerator for up to a week. The cake can also be frozen for up to 3 months. To reheat, simply microwave a slice for about 10-15 seconds or enjoy it cold.
Cooking Mistakes
- Not measuring ingredients accurately can affect the texture.
- Overmixing the batter can lead to a dense cake.
- Opening the oven door too early can cause the cake to sink.
- Using expired baking powder or baking soda can hinder rising.
- Not letting the cake cool completely before frosting can melt the frosting.
Helpful Tips
- Use room temperature ingredients for better mixing.
- Line the baking pan with parchment paper for easy removal.
- Experiment with different frostings like cream cheese or buttercream.
- Add chocolate chips to the batter for extra chocolate flavor.

FAQs
Can I use a different size baking pan?
Yes, you can use a different size pan, but be aware that baking times may vary. Adjust the cooking time accordingly based on the thickness of the batter in the pan.
How do I know when the cake is done?
The cake is done when a toothpick inserted into the center comes out clean or with a few moist crumbs. Be careful not to overbake it.
Can I make this cake ahead of time?
Absolutely! This cake can be made a day in advance. Just be sure to store it properly to keep it fresh.
What can I do if my cake is dry?
If your cake turns out dry, consider adding a simple syrup or frosting to moisten it. You can also serve it with ice cream to enhance moisture.
Is it possible to make this cake vegan?
Yes, by substituting eggs with flaxseed meal or applesauce, and using plant-based milk and vegan frosting, you can create a delicious vegan version of this cake.
Conclusion
This chocolate sheet cake is a crowd-pleaser that is easy to make and perfect for any occasion. With its rich flavor and moist texture, it will surely become a family favorite. Whether you’re celebrating a special event or simply treating yourself, this recipe is a must-try!

Chocolate Sheet Cake
Ingredients
- 2 cups all-purpose flour
- 2 cups granulated sugar
- ¾ cup unsweetened cocoa powder
- 1 ½ tsp baking powder
- 1 ½ tsp baking soda
- 1 tsp salt
- 2 large eggs
- 1 cup whole milk
- ½ cup vegetable oil
- 2 tsp vanilla extract
- 1 cup boiling water
- Chocolate frosting for topping
Instructions
- Preheat your oven to 350°F (175°C) and grease a 9x13 inch baking pan.
- In a large bowl, sift together the flour, sugar, cocoa powder, baking powder, baking soda, and salt.
- Add the eggs, milk, oil, and vanilla extract to the dry ingredients and mix until combined.
- Carefully stir in the boiling water until the batter is smooth.
- Pour the batter into the prepared baking pan.
- Bake in the preheated oven for 30-35 minutes, or until a toothpick inserted in the center comes out clean.
- Remove from the oven and let it cool in the pan for 10 minutes.
- Transfer the cake to a wire rack to cool completely.
- Once cooled, frost the cake with your favorite chocolate frosting.
- Slice and serve to enjoy this delicious chocolate sheet cake!