Few desserts invite such joyful excitement as the Dr. Pepper Chocolate Cake with Cocoa Frosting and Walnuts Recipe. This cake marries the fizz and subtle spice of Dr. Pepper soda with rich chocolate flavors and a creamy cocoa frosting, all topped off with crunchy walnuts for that perfect texture contrast. It’s a nostalgic twist on classic chocolate cake that feels both indulgent and uniquely refreshing. Whether you’re baking for a special occasion or a cozy treat, this cake promises to delight anyone lucky enough to have a slice.

Ingredients You’ll Need
Simple pantry staples and a few special touches come together in this recipe. Each ingredient plays a crucial role in balancing flavors, moisture, and texture to create the ultimate indulgent cake experience.
- German chocolate cake mix: The base gives you moist, chocolatey goodness with minimal effort.
- Eggs: Provide structure and help bind the cake ingredients flawlessly.
- Dr Pepper: Adds a subtle spicy sweetness and extra moistness that makes this cake unforgettable.
- Vegetable oil: Keeps the cake tender and rich without overpowering flavors.
- Mini chocolate chips: Star bursts of melted chocolate inside the cake for an irresistible surprise.
- Salted butter (melted): Creates a luscious base for the cocoa frosting with a perfect buttery richness.
- Milk: Smooths out the frosting, making it creamy and spreadable.
- Cocoa powder: Deepens the chocolate flavor in the frosting with an intense cocoa punch.
- Powdered sugar: Sweetens and thickens the frosting to the ideal consistency.
- Vanilla extract: Enhances all the flavors with its warm, comforting aroma.
- Chopped walnuts: Add a satisfying crunch and subtle earthiness that complements the sweet cake.
- Optional toppings: Vanilla ice cream or whipped topping to elevate every bite.
How to Make Dr. Pepper Chocolate Cake with Cocoa Frosting and Walnuts Recipe
Step 1: Preheat and Prepare Your Pan
Start by heating your oven to 350 degrees Fahrenheit. Grease a 9×13 inch baking pan generously with cooking spray to ensure the cake comes out clean and perfect. This step is key for that flawless release after baking.
Step 2: Combine the Cake Batter
In a large bowl, beat together the cake mix, eggs, Dr Pepper, and vegetable oil. Use a mixer or whisk just until everything is fully combined, about one minute. The fizziness of the soda will help create a light, airy crumb that’s simply irresistible.
Step 3: Fold in Chocolate Chips and Pour Batter
Gently stir in the mini chocolate chips to the batter so they distribute evenly without melting prematurely. Pour your luscious batter into the prepared pan, smoothing it out into an even layer for consistent baking.
Step 4: Bake Until Perfect
Place the pan in the oven and bake for 27 to 35 minutes. You’ll know it’s done when a toothpick inserted in the center comes out clean, or the cake springs back when you press lightly. The internal temperature should hit 210 degrees Fahrenheit for the best texture.
Step 5: Let the Cake Cool Slightly
Once baked, allow your cake to rest and cool for 10 to 15 minutes. This brief pause lets the cake firm up just enough before you spread on the frosting, making it easier to handle without crumbling.
Step 6: Prepare the Cocoa Frosting Base
Start your frosting by whisking the melted salted butter and milk together in a medium bowl until creamy. If you notice any clumps forming, warming the bowl gently with a hot towel while whisking helps achieve a silky-smooth texture.
Step 7: Add Cocoa Powder for Intensity
Fold in the cocoa powder and whisk continuously until completely smooth and fully incorporated. If clumping occurs, a little gentle warming can rescue your frosting, ensuring it turns velvety and rich.
Step 8: Incorporate Powdered Sugar Gradually
Add powdered sugar in increments of half a cup, whisking thoroughly after each addition. This slow process prevents lumps and guarantees a perfectly sweet, thick frosting that holds its shape.
Step 9: Finish the Frosting with Vanilla
Mix in the vanilla extract last, giving the frosting a lovely warm glow and rounding out the chocolate flavor beautifully.
Step 10: Frost and Top the Cake
Spread the luscious cocoa frosting over the slightly warm cake to allow it to soften and melt into every nook. Finish by generously sprinkling the chopped walnuts across the surface for added crunch and flavor contrast.
Step 11: Slice, Serve, and Enjoy
Cut the cake into generous slices and serve warm. The magic truly shines when paired with a scoop of vanilla ice cream or a cloud of whipped topping, but feel free to enjoy it simply on its own.
How to Serve Dr. Pepper Chocolate Cake with Cocoa Frosting and Walnuts Recipe

Garnishes
A handful of chopped walnuts sprinkled on top adds delightful texture and a nutty edge that perfectly balances the sweet chocolate. For a hint of indulgence, a dusting of cocoa powder or a drizzle of caramel sauce can elevate the presentation without overwhelming the flavors.
Side Dishes
This rich cake pairs beautifully with light accompaniments like fresh berries or a crisp green salad with a tangy vinaigrette to cleanse the palate. For a comforting combo, vanilla ice cream or freshly whipped cream helps contrast the deep cocoa and spicy-sweet notes of Dr Pepper in the cake.
Creative Ways to Present
Serve individual slices on pretty dessert plates with a sprig of mint or a swirl of raspberry coulis to add color and brightness. Consider making mini versions in cupcake tins for parties, topping each with a walnut half and a dollop of frosting for bite-sized celebrations.
Make Ahead and Storage
Storing Leftovers
Once cooled and frosted, cover the Dr. Pepper Chocolate Cake with Cocoa Frosting and Walnuts Recipe tightly with plastic wrap or store in an airtight container. It will stay fresh at room temperature for up to two days or in the refrigerator for about a week, retaining its moistness beautifully.
Freezing
You can freeze the cake either before or after frosting. Wrap it well in plastic wrap followed by foil to prevent freezer burn. Thaw overnight in the fridge and then bring to room temperature before serving for best results. The cake’s moisture holds up well, keeping it delicious after freezing.
Reheating
For the coziest experience, gently warm slices in the microwave for 10 to 15 seconds. This refreshes the cake’s softness and slightly melts the cocoa frosting, recreating that freshly baked feel. Just be careful not to heat too long to avoid drying out the cake.
FAQs
Can I use a different soda instead of Dr Pepper?
Absolutely! While Dr Pepper’s unique spice blend enhances the cake’s flavor, you can substitute with other sodas like cola or root beer for a similar moist texture, keeping in mind the flavor will shift accordingly.
Is it necessary to use German chocolate cake mix?
German chocolate cake mix provides a rich and sturdy foundation ideal for this recipe, but you can experiment with other chocolate cake mixes. Just remember that variations might slightly change the texture or sweetness.
Can I omit the walnuts for allergies?
Yes, if you have nut allergies or prefer a nut-free version, simply leave out the walnuts. The cake and frosting remain deliciously satisfying on their own.
How long does the cake stay moist after baking?
Thanks to the soda and oil, this cake stays wonderfully moist for several days when stored properly. It’s best enjoyed within a week to experience its full flavor and tenderness.
Can I make this cake gluten-free?
You can use a gluten-free chocolate cake mix in place of the German chocolate mix, ensuring all other ingredients like baking soda are gluten-free. This swap allows those with gluten sensitivities to enjoy the Dr. Pepper Chocolate Cake with Cocoa Frosting and Walnuts Recipe.
Final Thoughts
This Dr. Pepper Chocolate Cake with Cocoa Frosting and Walnuts Recipe is one of those delightful surprises that turns ordinary ingredients into an extraordinary treat. Its unique flavor profile and comforting texture make it a guaranteed crowd-pleaser and a dessert you’ll want to bake again and again. Give it a try—you’re in for a deliciously fun baking adventure that will quickly become a cherished favorite.
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Dr. Pepper Chocolate Cake with Cocoa Frosting and Walnuts Recipe
- Prep Time: 30 minutes
- Cook Time: 30 minutes
- Total Time: 60 minutes
- Yield: 16 servings
- Category: Dessert
- Method: Baking
- Cuisine: American
Description
This delicious Dr. Pepper Cake combines the unique flavor of Dr. Pepper soda with rich chocolate and a luscious cocoa frosting. It’s a moist, flavorful chocolate cake enhanced with mini chocolate chips and topped with a creamy cocoa frosting and chopped walnuts. Perfect for gatherings or a special treat, served warm with vanilla ice cream or whipped topping for an extra indulgence.
Ingredients
Cake
- 13.25 ounce German chocolate cake mix
- 3 large eggs
- 1 ¼ cup Dr Pepper
- â…“ cup vegetable oil
- ½ cup mini chocolate chips
Frosting
- ½ cup salted butter, melted
- â…“ cup milk
- ½ cup cocoa powder
- 2 ½ cup powdered sugar, divided
- 1 teaspoon vanilla extract
- ¼ cup chopped walnuts
- Vanilla ice cream or whipped topping (optional garnish)
Instructions
- Preheat and Prepare Pan: Preheat your oven to 350 degrees Fahrenheit and grease a 9×13 inch baking pan with cooking spray to ensure the cake doesn’t stick.
- Mix Cake Batter: In a large mixing bowl, beat together the German chocolate cake mix, eggs, Dr Pepper, and vegetable oil just until combined, about 1 minute to avoid overmixing.
- Add Chocolate Chips: Gently fold in the mini chocolate chips to evenly distribute them throughout the batter.
- Bake the Cake: Pour the batter into the prepared pan and spread it into an even layer. Bake for 27-35 minutes, or until a toothpick inserted in the center comes out clean, the cake springs back when tapped, or it reaches an internal temperature of 210 degrees Fahrenheit.
- Cool the Cake: Allow the cake to cool in the pan for 10-15 minutes while you prepare the frosting.
- Prepare Frosting Base: Place the melted butter in a medium mixing bowl and slowly whisk in the milk until a creamy mixture forms. If the butter clumps, warm the bowl with a hot towel while whisking to smooth it out.
- Add Cocoa Powder: Whisk in the cocoa powder until the frosting is smooth and fully combined, warming gently if needed to avoid clumps.
- Incorporate Powdered Sugar: Add the powdered sugar ½ cup at a time, whisking continuously until smooth and completely incorporated into the frosting.
- Mix in Vanilla: Slowly add the vanilla extract and whisk until the frosting is smooth and creamy.
- Frost and Finish: Spread the frosting evenly over the warm cake, then sprinkle the chopped walnuts on top for added texture and flavor.
- Serve: Slice the cake and serve warm, optionally topped with vanilla ice cream or whipped topping for an extra special treat.
Notes
- Be sure not to overmix the cake batter to keep the cake tender and light.
- Use a toothpick or check the internal temperature to avoid overbaking and keep the cake moist.
- If your melted butter clumps during frosting preparation, gently warm the mixture to restore smoothness.
- Serving the cake warm with ice cream or whipped topping enhances the dessert experience.
- Walnuts can be substituted or omitted according to preference or dietary needs.

