Bruce Bogtrotter’s Dream: Moist Chocolate Cake with Buttermilk

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Author: Adam
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🎉 Introduction
If you’ve ever watched Matilda, you’ll remember the unforgettable moment when Bruce Bogtrotter devoured that massive chocolate cake — rich, fudgy, and utterly decadent. This recipe brings that exact indulgence to your own kitchen with a cake that’s moist, deeply chocolatey, and finished with a luscious chocolate frosting.

The secret lies in buttermilk, hot coffee, and sour cream — these three ingredients guarantee a moist crumb and an intense cocoa flavor. Whether you’re baking for a birthday, a dinner party, or just because you need chocolate therapy, this cake will be the one you dream about.

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🧰 Equipment Needed

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  • Two 9-inch round cake pans (or one 9×13-inch pan)
  • Mixing bowls
  • Hand or stand mixer
  • Whisk & spatula
  • Measuring cups & spoons
  • Saucepan (for melting chocolate)
  • Wire rack (for cooling)

🛒 Ingredients

🥚 Fresh Produce:

  • 2 large eggs

🌾 Dry & Pantry:

  • 2 cups all-purpose flour
  • 1 tsp baking powder
  • 2 tsp baking soda
  • ¾ cup dark unsweetened cocoa powder
  • 2 cups granulated sugar
  • 4 cups powdered sugar (for frosting)
  • 1 ¼ tsp salt
  • 8 oz semi-sweet chocolate, chopped
  • 4 tsp vanilla extract

🥄 Oils & Fats:

  • ½ cup vegetable oil

Liquids:

  • 1 cup hot coffee

🥛 Dairy:

  • 1 cup unsalted butter (softened)
  • ¼ cup heavy cream
  • ½ cup sour cream
  • 1 cup whole milk

👩‍🍳 Directions

Step 1 – Prep the Pans

  1. Preheat oven to 350°F (175°C).
  2. Grease and line cake pans with parchment.

Step 2 – Make the Cake Batter
3. In a large bowl, whisk flour, baking powder, baking soda, cocoa powder, sugar, and salt.
4. In another bowl, whisk eggs, oil, sour cream, milk, and 2 tsp vanilla.
5. Gradually mix wet into dry until combined.
6. Stir in hot coffee slowly until batter is smooth and slightly runny.

Step 3 – Bake the Cake
7. Divide batter evenly between pans.
8. Bake for 30–35 minutes (round pans) or 40 minutes (9×13) until a toothpick comes out clean.
9. Cool in pans for 10 minutes, then transfer to wire racks.

Step 4 – Make the Chocolate Frosting
10. Melt chopped chocolate with butter over low heat. Cool slightly.
11. Beat with powdered sugar, cream, and 2 tsp vanilla until fluffy and spreadable.

Step 5 – Assemble & Decorate
12. Spread frosting between layers and all over the cake.
13. Swirl generously for that Bruce Bogtrotter-worthy look.


🍽️ Servings & Timing

  • Servings: 12–14 slices
  • Prep Time: 25 minutes
  • Bake Time: 35 minutes
  • Cooling & Frosting: 45 minutes
  • Total Time: ~1 hour 45 minutes

🧊 Storage & Reheating

  • Store covered at room temp (2 days) or in the fridge (5 days).
  • Freeze unfrosted layers up to 2 months.
  • For best flavor, bring to room temp before serving.

🥄 Variations

  • Extra Fudge Factor: Stir chocolate chips into the batter.
  • Mocha Twist: Add 1 tsp espresso powder to frosting.
  • Sheet Cake Style: Bake in a 9×13 pan for a casual version.
  • Whipped Cream Frosting: Swap chocolate frosting for whipped cream + cocoa dusting.

10 FAQs

  1. Why add coffee to chocolate cake?
    Coffee enhances cocoa flavor without tasting like coffee.
  2. Can I skip sour cream?
    Use Greek yogurt as a substitute.
  3. Do I need both baking powder and soda?
    Yes, they balance lift and texture.
  4. How do I keep it moist?
    Don’t overbake and use buttermilk (milk + sour cream here).
  5. Can I make cupcakes with this recipe?
    Yes, bake ~20–22 minutes for 24 cupcakes.
  6. What if I don’t have semi-sweet chocolate?
    Use dark or milk chocolate, but adjust sugar accordingly.
  7. Can I frost while cake is warm?
    No, let it cool or frosting will melt.
  8. Can I make it ahead of time?
    Yes, bake layers a day ahead and frost before serving.
  9. What if I don’t have a mixer?
    A whisk works, but mixer makes smoother frosting.
  10. What should I serve with it?
    Vanilla ice cream or whipped cream.

🏁 Conclusion
This Bruce Bogtrotter’s Dream Cake is everything a chocolate lover could want: rich, moist, fudgy, and topped with decadent frosting. Inspired by a storybook moment but made for real-life indulgence, it’s a showstopper dessert that’s worth every bite.

Adam

Bruce Bogtrotter’s Dream: Moist Chocolate Cake with Buttermilk

If you’ve ever watched Matilda, you’ll remember the unforgettable moment when Bruce Bogtrotter devoured that massive chocolate cake — rich, fudgy, and utterly decadent. This recipe brings that exact indulgence to your own kitchen with a cake that’s moist, deeply chocolatey, and finished with a luscious chocolate frosting. The secret lies in buttermilk, hot coffee, and sour cream — these three ingredients guarantee a moist crumb and an intense cocoa flavor. Whether you’re baking for a birthday, a dinner party, or just because you need chocolate therapy, this cake will be the one you dream about.
Prep Time 25 minutes
bake & Cooling & Frosting time 1 hour 20 minutes
Total Time 1 hour 45 minutes
Servings: 14 slices
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Ingredients
  

🥚 Fresh Produce:
  • 2 large eggs
🌾 Dry & Pantry:
  • 2 cups all-purpose flour
  • 1 tsp baking powder
  • 2 tsp baking soda
  • ¾ cup dark unsweetened cocoa powder
  • 2 cups granulated sugar
  • 4 cups powdered sugar for frosting
  • 1 ¼ tsp salt
  • 8 oz semi-sweet chocolate chopped
  • 4 tsp vanilla extract
🥄 Oils & Fats:
  • ½ cup vegetable oil
☕ Liquids:
  • 1 cup hot coffee
🥛 Dairy:
  • 1 cup unsalted butter softened
  • ¼ cup heavy cream
  • ½ cup sour cream
  • 1 cup whole milk
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Equipment

  • Two 9-inch round cake pans (or one 9×13-inch pan)
  • Mixing bowls
  • Hand or stand mixer
  • Whisk & spatula
  • Measuring cups & spoons
  • Saucepan (for melting chocolate)
  • Wire rack for cooling

Method
 

Step 1 – Prep the Pans
  1. Preheat oven to 350°F (175°C).
  2. Grease and line cake pans with parchment.
Step 2 – Make the Cake Batter
  1. In a large bowl, whisk flour, baking powder, baking soda, cocoa powder, sugar, and salt.
  2. In another bowl, whisk eggs, oil, sour cream, milk, and 2 tsp vanilla.
  3. Gradually mix wet into dry until combined.
  4. Stir in hot coffee slowly until batter is smooth and slightly runny.
Step 3 – Bake the Cake
  1. Divide batter evenly between pans.
  2. Bake for 30–35 minutes (round pans) or 40 minutes (9×13) until a toothpick comes out clean.
  3. Cool in pans for 10 minutes, then transfer to wire racks.
Step 4 – Make the Chocolate Frosting
  1. Melt chopped chocolate with butter over low heat. Cool slightly.
  2. Beat with powdered sugar, cream, and 2 tsp vanilla until fluffy and spreadable.
Step 5 – Assemble & Decorate
  1. Spread frosting between layers and all over the cake.
  2. Swirl generously for that Bruce Bogtrotter-worthy look.

Notes

🧊 Storage & Reheating
Store covered at room temp (2 days) or in the fridge (5 days).
Freeze unfrosted layers up to 2 months.
For best flavor, bring to room temp before serving.
🥄 Variations
Extra Fudge Factor: Stir chocolate chips into the batter.
Mocha Twist: Add 1 tsp espresso powder to frosting.
Sheet Cake Style: Bake in a 9×13 pan for a casual version.
Whipped Cream Frosting: Swap chocolate frosting for whipped cream + cocoa dusting.
❓ 10 FAQs
Why add coffee to chocolate cake?
Coffee enhances cocoa flavor without tasting like coffee.
Can I skip sour cream?
Use Greek yogurt as a substitute.
Do I need both baking powder and soda?
Yes, they balance lift and texture.
How do I keep it moist?
Don’t overbake and use buttermilk (milk + sour cream here).
Can I make cupcakes with this recipe?
Yes, bake ~20–22 minutes for 24 cupcakes.
What if I don’t have semi-sweet chocolate?
Use dark or milk chocolate, but adjust sugar accordingly.
Can I frost while cake is warm?
No, let it cool or frosting will melt.
Can I make it ahead of time?
Yes, bake layers a day ahead and frost before serving.
What if I don’t have a mixer?
A whisk works, but mixer makes smoother frosting.
What should I serve with it?
Vanilla ice cream or whipped cream.
🏁 Conclusion
This Bruce Bogtrotter’s Dream Cake is everything a chocolate lover could want: rich, moist, fudgy, and topped with decadent frosting. Inspired by a storybook moment but made for real-life indulgence, it’s a showstopper dessert that’s worth every bite.
Adam

Hello! I’m Adam, a 34-year-old passionate chef and the creator of The Food Journal.
Welcome to my corner of the internet where flavor meets creativity. Here at The Food Journal, I share my favorite recipes, cooking tips, and food stories — all crafted to inspire your next delicious meal.

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Discover more than 1700+ delicious recipes you can cook at home. Easy, step-by-step instructions with new recipes added every day.

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Google Play Coming Soon Coming Soon
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