Whipped Chocolate Ganache Cake

Featured in: Desserts for a Crowd

This decadent creation features a rich and moist dark chocolate base infused with hot brewed coffee for depth. It’s layered with an airy whipped chocolate ganache made by chilling and whipping the ganache until light and fluffy. Creative marzipan or modeling chocolate figures shaped as whimsical rats add a playful touch, enhanced by optional edible shimmer. The cake balances intense chocolate flavors with a velvety texture, perfect for a medium-difficulty dessert. A delightful finish with optional chili powder or fresh berries complements its modern European flair.

Updated on Wed, 12 Nov 2025 13:29:00 GMT
Decadent Rat Cake with Whipped Chocolate Ganache; a moist, dark chocolate dessert with playful rat details. Save It
Decadent Rat Cake with Whipped Chocolate Ganache; a moist, dark chocolate dessert with playful rat details. | zetluna.com

A whimsically dark and decadent chocolate cake inspired by avant-garde patisserie, Rat Cake with Whipped Chocolate Ganache combines a rich, moist base and airy chocolate topping with playful edible rat decorations for a truly memorable dessert experience.

I first made this Rat Cake for a themed party, and it became a showstopper with friends delighted by both the dramatic look and the incredible flavor. The process of shaping tiny marzipan rats added a fun creative touch to the baking experience.

Ingredients

  • Cake Base: 1 1/2 cups (190 g) all-purpose flour, 1 1/2 tsp baking powder, 1/2 tsp baking soda, 1/2 tsp fine sea salt, 3/4 cup (65 g) unsweetened cocoa powder, 1 1/4 cups (250 g) granulated sugar, 2 large eggs (room temperature), 3/4 cup (180 ml) whole milk, 1/2 cup (120 ml) vegetable oil, 2 tsp pure vanilla extract, 3/4 cup (180 ml) hot brewed coffee
  • Whipped Chocolate Ganache: 8 oz (225 g) semi-sweet chocolate (chopped), 1 cup (240 ml) heavy cream, pinch of salt
  • Rat Decorations: 5 oz (140 g) marzipan or modeling chocolate, black/pink/gray food coloring gel (optional for details), edible silver dust or shimmer (optional)

Instructions

Prepare Cake Pan:
Preheat the oven to 350°F (175°C). Grease and line a 9-inch (23 cm) round cake pan with parchment paper.
Mix Dry Ingredients:
In a large bowl, sift together flour, baking powder, baking soda, salt, and cocoa powder. Add sugar and mix well.
Combine Wet Ingredients:
In a separate bowl, whisk together eggs, milk, oil, and vanilla. Pour this mixture into the dry ingredients and mix until smooth.
Add Coffee:
Gradually add hot brewed coffee, mixing until the batter is glossy and fully blended.
Bake:
Pour the batter into the prepared pan and bake for 35 to 40 minutes, until a toothpick inserted in the center comes out clean. Cool cake completely on a wire rack.
Make Ganache:
Place chopped chocolate in a heatproof bowl. Heat heavy cream and salt until just boiling, then pour over chocolate. Let sit 2 minutes, then stir until smooth.
Whip Ganache:
Refrigerate ganache for 45 minutes, then whip with a hand mixer until light and fluffy.
Frost Cake:
Spread whipped ganache generously over the cooled cake.
Shape Rat Decorations:
Knead marzipan or modeling chocolate with food coloring to form small rat figures, tails, and ears. Add details using a toothpick or edible paints and dust with edible silver if desired.
Decorate:
Arrange modeled rats on the cake in a whimsical chaotic pattern.
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| zetluna.com

This cake has become a quirky family favorite for celebrations, especially when everyone gets involved in designing and placing their own rat decorations. It turns dessert into a creative and shared activity.

Required Tools

9-inch (23 cm) round cake pan, mixing bowls, electric mixer or whisk, sifter, rubber spatula, parchment paper, small sculpting tools or toothpicks for decorations.

Allergen Information

Contains eggs, milk/dairy, wheat/gluten, and almonds if using marzipan. Chocolate may contain soy. Substitute marzipan with modeling chocolate for a nut-free alternative and always verify chocolate ingredients.

Nutritional Information (per serving)

Calories: 410, Total Fat: 22 g, Carbohydrates: 52 g, Protein: 5 g

Playful, avant-garde Rat Cake, topped with light, airy whipped chocolate ganache and charming rat figures. Save It
Playful, avant-garde Rat Cake, topped with light, airy whipped chocolate ganache and charming rat figures. | zetluna.com

Whimsical, dramatic, and deeply delicious, this rat cake never fails to spark conversation and delight guests. Enjoy every decadent bite and creative moment!

Common Questions About Recipes

How is the whipped ganache prepared?

Heat heavy cream with a pinch of salt until boiling, pour over chopped semi-sweet chocolate, let it sit, then stir until smooth. Chill for 45 minutes and whip until fluffy.

What ingredients add moisture to the cake base?

The cake base benefits from whole milk, vegetable oil, and hot brewed coffee, which enhance moisture and rich flavor.

Can I substitute marzipan for the decoration?

Yes, modeling chocolate is a good nut-free alternative for forming the rat decorations without sacrificing detail.

What baking tools are needed for this creation?

A 9-inch round pan, mixing bowls, electric mixer or whisk, sifter, spatula, parchment paper, and small sculpting tools or toothpicks for decorations are essential.

Are there any allergy considerations?

This contains eggs, dairy, wheat/gluten, and possibly almonds depending on marzipan use. Modeling chocolate can be used to avoid nuts.

How can I add a spicy twist to the ganache?

Incorporate a pinch of chili powder into the ganache before chilling to give a subtle heat that complements the chocolate.

Whipped Chocolate Ganache Cake

Moist dark chocolate base topped with light whipped ganache and intricate marzipan accents.

Prep Time
40 mins
Time to Cook
40 mins
Overall Time
80 mins
Authored by Clara

Recipe Type Desserts for a Crowd

Skill Level Required Medium

Cuisine Type Modern European

Recipe Output 10 Number of Portions

Dietary Needs Veggie-Friendly

The Ingredients You'll Need

Cake Base

01 1 1/2 cups all-purpose flour (190 g)
02 1 1/2 teaspoons baking powder
03 1/2 teaspoon baking soda
04 1/2 teaspoon fine sea salt
05 3/4 cup unsweetened cocoa powder (65 g)
06 1 1/4 cups granulated sugar (250 g)
07 2 large eggs, room temperature
08 3/4 cup whole milk (180 ml)
09 1/2 cup vegetable oil (120 ml)
10 2 teaspoons pure vanilla extract
11 3/4 cup hot brewed coffee (180 ml)

Whipped Chocolate Ganache

01 8 ounces semi-sweet chocolate, chopped (225 g)
02 1 cup heavy cream (240 ml)
03 Pinch of salt

Rat Decorations

01 5 ounces marzipan or modeling chocolate (140 g)
02 Black, pink, and gray food coloring gel (optional)
03 Edible silver dust or shimmer (optional)

Step-by-Step Instructions

Step 01

Prepare Oven and Pan: Preheat oven to 350°F (175°C). Grease and line a 9-inch (23 cm) round cake pan with parchment paper.

Step 02

Combine Dry Ingredients: Sift together flour, baking powder, baking soda, salt, and cocoa powder in a large bowl.

Step 03

Add Sugar: Mix granulated sugar into the sifted dry ingredients until evenly distributed.

Step 04

Blend Wet Ingredients: Whisk eggs, whole milk, vegetable oil, and vanilla extract in a separate bowl until combined.

Step 05

Mix Batter: Pour the wet ingredients into the dry mixture and stir until smooth and homogeneous.

Step 06

Incorporate Hot Coffee: Gradually add hot brewed coffee to the batter, mixing until glossy and well blended.

Step 07

Bake the Cake: Pour batter into prepared pan and bake for 35 to 40 minutes, or until a toothpick inserted in the center comes out clean. Cool completely on a wire rack.

Step 08

Prepare Ganache: Place chopped chocolate in a heatproof bowl. Heat heavy cream with salt to just boiling, then pour over chocolate. Let sit for 2 minutes before stirring until smooth.

Step 09

Whip Ganache: Refrigerate ganache for 45 minutes, then whip with a hand mixer until light and fluffy.

Step 10

Apply Ganache: Spread whipped ganache generously over the cooled cake surface.

Step 11

Craft Rat Decorations: Knead marzipan or modeling chocolate with optional food coloring to shape small rat figures, including tails and ears. Add details using a toothpick or edible paints and dust with edible silver shimmer if desired.

Step 12

Arrange Decorations: Position the rat figures on the cake in a whimsical and dynamic pattern for visual appeal.

Tools You'll Need

  • 9-inch (23 cm) round cake pan
  • Mixing bowls
  • Electric mixer or whisk
  • Sifter
  • Rubber spatula
  • Parchment paper
  • Small sculpting tools or toothpicks for shaping decorations

Allergy Information

Review each ingredient to identify allergens and consult an expert if needed.
  • Contains eggs, dairy, gluten, and almonds if marzipan is used; possible soy in chocolate. Substitute marzipan with modeling chocolate for nut allergies.

Nutritional Facts (Per Serving)

Keep in mind these details are for general guidance and shouldn't replace professional advice.
  • Caloric Content: 410
  • Fats: 22 grams
  • Carbohydrates: 52 grams
  • Proteins: 5 grams