Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse

Featured in: Irresistible Sweet Treats

This chocolate tuxedo cake is a homemade version of the famous Costco dessert. It features rich chocolate cake layers filled with both dark and white chocolate mousse, finished with a smooth chocolate ganache. Perfect for special occasions, this cake stays fresh in the fridge for up to 3 days.

Tags: #chocolate #cakes

Clare Greco
Updated on Mon, 20 Jan 2025 16:10:25 GMT
A slice of layered chocolate cake with creamy frosting and chocolate sprinkles on top.
A slice of layered chocolate cake with creamy frosting and chocolate sprinkles on top. | recipesbyclare.com
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Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse is built from the recorded ingredient list and ordered method below. Read every quantity as a working part of the recipe: measuring the listed ingredients, using the stated equipment, and keeping the recorded sequence gives the clearest path to the intended texture and finish. This editorial guide preserves the source facts while explaining the practical cues that help a home cook work carefully and confidently. Before beginning, read the complete instruction list once, prepare the work surface, and place the measured components in the order they will be used.

Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse Ingredients

Exact measured ingredients for Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse
Exact measured ingredients for Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse | Recipes by Clare
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Ingredients: 1/2 cup dark chocolate chips.; 1/3 cup warm water.; 1/4 cup dark cocoa powder.; 3/4 cup white chocolate chips.; 2 1/3 cups heavy cream, divided.; 1/4 cup powdered sugar.; 2 tsp vanilla extract.; 1/2 tsp salt.; 3/4 cup heavy cream (for ganache).; 1 cup plus 1 tbsp dark chocolate chips.; 2 tbsp unsalted butter, room temp.; 1 tbsp corn syrup.; 1/4 tsp salt.; 2 1/2 cups sugar.; 2 1/4 cups all-purpose flour.; 3/4 cup dark cocoa powder.; 2 1/2 tsp baking powder.; 1 tsp salt.; 1 cup unsalted butter, room temp.; 1 cup egg whites (about 7 eggs).; 1 1/2 cups buttermilk, room temp.; 2 tbsp vegetable oil.; 2 tsp vanilla extract.; 1 tsp instant espresso (optional)..

How to Make Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse

Four chronological preparation stages for Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse
Four chronological preparation stages for Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse | Recipes by Clare
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  1. Make The Mousse: Melt dark chocolate in microwave. Mix warm water with cocoa powder, combine with melted chocolate. Melt white chocolate with cream. Whip remaining cream with sugar and vanilla. Split whipped cream and mix with each chocolate. Chill for 2 hours.
  2. Make The Ganache: Heat cream until bubbling. Pour over chocolate chips. Let sit 1 minute, then stir. Add butter, corn syrup, and salt. Let cool to room temp.
  3. Make The Cake: Mix dry ingredients. Beat in butter until sandy. Add egg whites, then buttermilk. Mix in oil and vanilla. Bake at 350°F for 34-37 minutes. Cool completely.
  4. Assembly: Layer cake with both mousses. Chill 15 minutes. Top with ganache. Decorate and serve.

A Calm, Accurate Kitchen Workflow

Before beginning, read the complete ingredient list and method once, then arrange the measured components in the order they will be used. This simple preparation makes the written sequence easier to follow without changing it. Use clean, dry equipment, keep chilled ingredients cold until their recorded step, and choose a pan or bowl large enough for comfortable stirring. As each stage finishes, pause briefly to check the cue given in the recipe: a mixture may need to look smooth, a dough may need to feel firm but not sticky, or a cooked component may need to be hot, golden, tender, or set. Those cues matter alongside the stated minutes, because they help account for normal differences in cookware and kitchen conditions. Avoid adding extra ingredients, changing the heat, or rushing a rest merely to make the process faster. Keep raw ingredients separate from foods that are ready to serve, wash tools after they contact raw proteins, and use a fresh utensil for tasting. Once the final step is complete, serve in the form the source specifies and refrigerate leftovers promptly in a covered container. This approach keeps the recipe practical, faithful, and repeatable every time.

Why the Order Matters

The order matters because it separates preparation, cooking, sauce-building, pasta handling, and finishing into deliberate stages. Set out every measured ingredient before starting and use the visual cue named in each instruction alongside its stated time. Keep components separate until the method tells you to join them. Avoid adding familiar extras or changing the order merely for convenience: a sauce can thicken differently, chicken can overcook, and cheese can become grainy when the sequence is altered. The source recipe remains the controlling reference for every temperature, timing cue, and cooking step.

Critical Visual and Timing Cues

Work with clean bowls, measured portions, and the named pan or pot so the method is repeatable. Keep perishables appropriately chilled until they are needed. Brown meat only as directed, let liquids reach the stated boil or simmer stage, and lower heat before gradual dairy additions. Check texture and colour at the point named by the source instead of relying on an arbitrary clock. When pasta is folded into sauce, stir steadily and gently so it remains intact and coated. These small decisions preserve the intended balance without introducing unrecorded ingredients or substitutions.

Serving and Storage

Serve the finished recipe in the form and temperature directed by the source. Keep leftovers covered in a suitable container and refrigerate promptly after cooling. The verified ingredient list and quantities remain the reference point; substitutions should be limited to options the original recipe explicitly permits. Use sensible food-safety handling for chicken, beef, dairy, and cooked pasta. Present each portion neatly and enjoy it promptly for the best texture, because creamy sauces and cooked pasta are at their most appealing just after the final combine stage.

Practical Kitchen Checkpoint

Pause briefly between major stages to confirm that the next measured component, pan, and temperature are ready. This is especially useful when a dough must chill, a tray must be lined, or a slow cooker needs to remain covered for its stated interval. Keep raw and ready-to-eat foods separate, use clean tools after handling ingredients, and avoid guessing at a temperature or substituting an extra step. The finished texture is best judged by the source’s own visual cue: golden edges, a set center, a smooth mixture, or a fully heated sauce. That checkpoint keeps the workflow faithful to the original recipe.

Image and Recipe Integrity

The new ingredient photograph and chronological 2×2 process photograph support the written method without replacing it. The site’s original hero remains unchanged. The earlier repeated body image is excluded, while a separate original final-serving image is retained as the third body image. Direct responsive WebP copies preserve aspect ratio and orientation without crop, upscaling, image transformations, or a Worker deployment.

Recorded Recipe Tips

  • Keep refrigerated.
  • Best served cold.
  • Stays fresh 3 days in fridge.
  • Can freeze components separately.
  • Let sit max 1 hour at room temp.
Finished Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse
Finished Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse | Recipes by Clare
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Conclusion

Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse makes 1 cake in 55 recorded minutes. Preserve listed quantities, temperatures, timing cues, and ordered instructions.

Frequently Asked Questions

→ How many servings does Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse make?

It makes 1 cake and serves 24.

→ How long does Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse take?

The recipe records 30 minutes of preparation, 25 minutes of cooking, and 55 minutes total.

→ How do I keep Rich Chocolate Tuxedo Cake with Dark and White Chocolate Mousse consistent?

Measure every listed ingredient, follow the ordered instructions, and use the stated visual, temperature, and timing cues rather than adding unrecorded changes.

→ Why should I preserve the written method?

The sequence is part of the verified recipe: it guides texture, food safety, and the intended finish without changing the original formula.

4.37 from 262 votes

Chocolate Tuxedo Cake

Preparation Time:
30 Minutes
Cook Time:
25 Minutes
Total Cooking Time:
55 Minutes
Number of Servings:
24
A slice of layered chocolate cake with creamy frosting and chocolate sprinkles on top.
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A decadent chocolate cake layered with dark and white chocolate mousse, topped with chocolate ganache. The perfect special occasion dessert.

Ingredients You'll Need

How to Make It

1.

1. Make The Mousse: Melt dark chocolate in microwave. Mix warm water with cocoa powder, combine with melted chocolate. Melt white chocolate with cream. Whip remaining cream with sugar and vanilla. Split whipped cream and mix with each chocolate. Chill for 2 hours.

2.

2. Make The Ganache: Heat cream until bubbling. Pour over chocolate chips. Let sit 1 minute, then stir. Add butter, corn syrup, and salt. Let cool to room temp.

3.

3. Make The Cake: Mix dry ingredients. Beat in butter until sandy. Add egg whites, then buttermilk. Mix in oil and vanilla. Bake at 350°F for 34-37 minutes. Cool completely.

4.

4. Assembly: Layer cake with both mousses. Chill 15 minutes. Top with ganache. Decorate and serve.

Extra Information

  1. Keep refrigerated.
  2. Best served cold.
  3. Stays fresh 3 days in fridge.
  4. Can freeze components separately.
  5. Let sit max 1 hour at room temp.

Essential Tools

  • 8-inch cake pans.
  • Stand mixer or hand mixer.
  • Offset spatula.
  • Cake stand.
  • Microwave or double boiler.

Allergy Warnings

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy.
  • Eggs.
  • Wheat.

Nutrition Details (Per Portion)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 466
  • Total Fat: 27 g
  • Total Carbohydrate: 52 g
  • Protein: 6 g