
Why Make This Recipe
Chocolate Sheet Cake is a delightful treat that is perfect for any occasion. Whether you are celebrating a birthday, hosting a potluck, or simply indulging yourself, this cake is easy to make and tastes fantastic. Its rich chocolate flavor and moist texture make it a favorite among friends and family. Plus, it’s easy to slice and serve from a sheet, making it a practical choice for gatherings.
How to Make Chocolate Sheet Cake
Ingredients
- 1 3/4 cups all-purpose flour
- 2 cups granulated sugar
- 3/4 cup unsweetened cocoa powder
- 1 1/2 teaspoons baking powder
- 1 1/2 teaspoons baking soda
- 1 teaspoon salt
- 2 large eggs
- 1 cup whole milk
- 1/2 cup vegetable oil
- 2 teaspoons vanilla extract
- 1 cup boiling water
Directions
- Preheat your oven to 350°F (175°C). Grease and flour a 9×13 inch baking pan.
- In a large bowl, combine flour, sugar, cocoa powder, baking powder, baking soda, and salt.
- Add eggs, milk, oil, and vanilla, and mix on medium speed for 2 minutes.
- Stir in boiling water (the batter will be thin).
- Pour the batter into the prepared pan.
- Bake for 30 to 35 minutes or until a toothpick inserted in the center comes out clean.
- Let cool in the pan for a few minutes before transferring to a wire rack to cool completely.
- Frost with your favorite chocolate frosting if desired.
How to Serve Chocolate Sheet Cake
Chocolate Sheet Cake can be served warm or at room temperature. Slice it into squares for easy serving. You can enjoy it plain, or dress it up with a drizzle of chocolate frosting, whipped cream, or fresh fruit on top. It pairs wonderfully with a scoop of vanilla ice cream for an extra special treat.
How to Store Chocolate Sheet Cake
To store leftover Chocolate Sheet Cake, keep it in an airtight container at room temperature for up to 3 days. If you want it to last longer, you can refrigerate it for up to a week. For longer storage, consider freezing the cake. Wrap it tightly in plastic wrap and then in aluminum foil, and it can last for up to 3 months in the freezer.
Tips to Make Chocolate Sheet Cake
- Ensure all your ingredients are at room temperature for the best mixing and baking results.
- Be careful not to overmix the batter; mix just until all ingredients are combined.
- For a more chocolatey flavor, use dark cocoa powder instead of standard cocoa powder.
- Allow the cake to cool completely before frosting to prevent the frosting from melting.
Variation
You can add chocolate chips or nuts to the batter for added texture. If you prefer a different flavor, try adding a teaspoon of espresso powder to enhance the chocolate taste. A vanilla or cream cheese frosting can also provide a nice twist instead of chocolate frosting.
FAQs
Can I use a different size pan for this recipe?
Yes, you can use different sizes, but keep an eye on the baking time. Smaller pans may require less time, while larger pans may need extra time.
Can I make this cake ahead of time?
Absolutely! You can bake the cake a day in advance and store it covered at room temperature. Just frost it on the day you plan to serve it.
Is it possible to make this cake gluten-free?
Yes, you can substitute all-purpose flour with a gluten-free flour blend. Make sure to check the blend’s instructions for the best results.

Chocolate Sheet Cake
Ingredients
Dry Ingredients
- 1 3/4 cups all-purpose flour
- 2 cups granulated sugar
- 3/4 cup unsweetened cocoa powder
- 1 1/2 teaspoons baking powder
- 1 1/2 teaspoons baking soda
- 1 teaspoon salt
Wet Ingredients
- 2 large eggs Ensure at room temperature
- 1 cup whole milk Ensure at room temperature
- 1/2 cup vegetable oil
- 2 teaspoons vanilla extract
- 1 cup boiling water Will make the batter thin
Instructions
Preparation
- Preheat your oven to 350°F (175°C). Grease and flour a 9×13 inch baking pan.
- In a large bowl, combine flour, sugar, cocoa powder, baking powder, baking soda, and salt.
- Add eggs, milk, oil, and vanilla, and mix on medium speed for 2 minutes.
- Stir in boiling water (the batter will be thin).
- Pour the batter into the prepared pan.
Baking
- Bake for 30 to 35 minutes or until a toothpick inserted in the center comes out clean.
- Let cool in the pan for a few minutes before transferring to a wire rack to cool completely.
Serving
- Frost with your favorite chocolate frosting if desired.