This Written Chocolate Cake is the cake I make when I want chocolate comfort without the fuss. It’s a simple, one-bowl wonder that comes together in minutes and bakes into a moist, tender cake with a deep chocolate flavor.
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I first developed this recipe on a rainy Sunday when I craved something chocolatey but didn’t want to drag out the mixer. The result was so good, it’s become my go-to for birthdays, weeknight treats, and everything in between.
The secret is in the method: mixing the batter by hand keeps it light, and using hot coffee intensifies the chocolate without making it taste like coffee. Trust me, your family will ask for it again and again.
Why You'll Love This Recipe
About the Ingredients
1 3/4 cups (220g) all-purpose flour
Use all-purpose flour for structure. For a gluten-free option, substitute with a 1:1 gluten-free baking flour blend.
3/4 cup (65g) unsweetened cocoa powder
Dutch-processed cocoa gives a richer flavor, but natural cocoa works too. If using natural, the baking soda will still react properly.
2 cups (400g) granulated sugar
Regular white sugar sweetens and helps with browning. You can reduce to 1 3/4 cups if you prefer less sweet.
1 1/2 teaspoons baking powder
Leavening agent that helps the cake rise. Make sure it's fresh for best results.
1 1/2 teaspoons baking soda
Works with the acidic buttermilk and coffee to create a light texture. No substitutions.
1 teaspoon salt
Enhances the chocolate flavor. Use fine sea salt for even distribution.
2 large eggs
Room temperature eggs incorporate better. If you're out, use 1/4 cup unsweetened applesauce per egg.
1 cup (240ml) buttermilk
Adds tang and moisture. Substitute with 1 cup milk mixed with 1 tablespoon lemon juice, let sit 5 minutes.
1/2 cup (120ml) vegetable oil
Keeps the cake moist. Use canola or melted coconut oil for a subtle flavor change.
2 teaspoons vanilla extract
Pure vanilla adds depth. You can use 1 teaspoon vanilla bean paste for a stronger flavor.
1 cup (240ml) hot coffee
Hot liquid helps bloom the cocoa. If you avoid caffeine, use hot water instead.
Tips & Tricks
- Bring your eggs and buttermilk to room temperature before starting – they'll blend more smoothly.
- Don't overmix the batter; mix just until no streaks remain to keep the cake tender.
- Use a kitchen scale for dry ingredients for the most accurate measurements.
- Check the cake at the minimum baking time; ovens vary, and you don't want to overbake.
Pro Tips
Step-by-Step Instructions
1. Preheat Oven and Prep Pans
Preheat your oven to 350°F (175°C). Grease two 9-inch round cake pans and line the bottoms with parchment paper for easy release.
2. Whisk Dry Ingredients
In a large bowl, whisk together the flour, cocoa powder, sugar, baking powder, baking soda, and salt until well combined. This ensures even leavening.
3. Add Wet Ingredients
Add the eggs, buttermilk, oil, and vanilla extract. Mix on medium speed (or by hand) for about 2 minutes until smooth, scraping the sides as needed.
4. Stir in Hot Coffee
Carefully pour in the hot coffee and stir until just combined. The batter will be thin; that's normal. The hot liquid helps intensify the chocolate flavor.
5. Pour and Bake
Divide the batter evenly between the prepared pans. Bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean and the cake springs back when lightly touched.
6. Cool in Pans
Let the cakes cool in the pans for 10 minutes on a wire rack. Then turn them out onto the rack to cool completely before frosting.
Delicious Variations
For a gluten-free version, use a 1
1 gluten-free flour blend and add 1/4 teaspoon xanthan gum if your blend doesn't include it.
- Add 1 cup of chocolate chips or chopped nuts to the batter for extra texture.
- Swap the coffee for hot brewed espresso for a more intense mocha flavor.
How to Store Written Chocolate Cake Recipe
Refrigerator
Store unfrosted cake in an airtight container at room temperature for up to 3 days. Once frosted, refrigerate and bring to room temperature before serving.
Freezer
Wrap unfrosted layers tightly in plastic wrap and foil; freeze for up to 3 months. Thaw overnight in the refrigerator before frosting.
Reheating
For a warm treat, microwave a slice for 15-20 seconds until just warm.
Frequently Asked Questions
Q: Can I make this cake without coffee?
Yes, simply substitute the hot coffee with an equal amount of hot water. The coffee enhances the chocolate flavor but is not essential.
Q: Can I use a different pan size?
You can bake this in a 9×13-inch pan; adjust the baking time to 35-40 minutes. For cupcakes, bake for 18-20 minutes.
Q: How do I know when the cake is done?
Insert a toothpick into the center; it should come out clean or with a few moist crumbs. The cake should also spring back when lightly pressed.
Q: Can I reduce the sugar?
You can reduce the sugar to 1 3/4 cups without drastically affecting the texture, but the cake will be less sweet.
Q: Why is my cake dense?
Overmixing the batter or using cold ingredients can cause density. Mix just until combined and bring ingredients to room temperature.
I hope you enjoy this Written Chocolate Cake as much as my family does. Try swapping the coffee for water or adding a handful of chocolate chips for your own twist, and let me know how it turns out in the comments. Here's to small steps, together.
Written Chocolate Cake Recipe
Written Chocolate Cake is a moist, one-bowl chocolate cake with a tender crumb and rich flavor, ready in just 35 minutes.
🧂 Ingredients
- 1 3/4 cups (220g) all-purpose flour
- 3/4 cup (65g) unsweetened cocoa powder
- 2 cups (400g) granulated sugar
- 1 1/2 teaspoons baking powder
- 1 1/2 teaspoons baking soda
- 1 teaspoon salt
- 2 large eggs
- 1 cup (240ml) buttermilk
- 1/2 cup (120ml) vegetable oil
- 2 teaspoons vanilla extract
- 1 cup (240ml) hot coffee
📋 Instructions
- 1Preheat Oven and Prep Pans — Preheat your oven to 350°F (175°C). Grease two 9-inch round cake pans and line the bottoms with parchment paper for easy release.
- 2Whisk Dry Ingredients — In a large bowl, whisk together the flour, cocoa powder, sugar, baking powder, baking soda, and salt until well combined. This ensures even leavening.
- 3Add Wet Ingredients — Add the eggs, buttermilk, oil, and vanilla extract. Mix on medium speed (or by hand) for about 2 minutes until smooth, scraping the sides as needed.
- 4Stir in Hot Coffee — Carefully pour in the hot coffee and stir until just combined. The batter will be thin; that's normal. The hot liquid helps intensify the chocolate flavor.
- 5Pour and Bake — Divide the batter evenly between the prepared pans. Bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean and the cake springs back when lightly touched.
- 6Cool in Pans — Let the cakes cool in the pans for 10 minutes on a wire rack. Then turn them out onto the rack to cool completely before frosting.
Maya writes about sustainable living and zero-waste practices, focusing on small, actionable swaps for everyday routines. She tests products and shares what actually works for busy households.
