Spiderweb Chocolate Cake Design

Section: Indulgent Desserts for Sweet Endings

This dessert features a tender chocolate base prepared in two layers, separated and topped with a fluffy marshmallow buttercream. After layering, a glossy ganache is spread over the surface, adding a rich, smooth finish. The eye-catching spiderweb is created by spiraling vanilla icing across the top and pulling a toothpick through the lines for dramatic effect. With simple steps and store-bought enhancements, the treat offers both creative flair and decadent flavors, making it ideal for celebrations or themed parties. Enjoy slices that combine fluffy cake, creamy layers, and chocolatey ganache in every bite.

A woman wearing a pink apron is cutting a cake.
Published By Evelyn
Updated as of Thu, 16 Oct 2025 15:00:05 GMT
A chocolate cake with a spider web design. Bookmark
A chocolate cake with a spider web design. | foodbymary.com

Anyone can pull off this spooky fun Spiderweb Cake for a Halloween party or fall birthday and trust me the rich layers and simple decorations never fail to impress my guests

The first year I made this my nieces actually squealed with delight and everyone raved about how moist and chocolatey the cake was

Ingredients

  • Chocolate cake mix plus oil eggs and water as called for on the box: This is the blank canvas for all your flavors and you can use any brand you like
  • Unsalted butter softened: This helps the frosting turn super creamy Look for butter that is pale and not greasy
  • Confectioners sugar: This makes the frosting sweet and smooth Choose a fine fresh powder for best texture
  • Marshmallow crème: Adds a sticky fluffy texture to the frosting and amps up the fun Look for a jar without lots of extra added oil
  • Vanilla extract: Adds warmth and aroma A pure vanilla extract gives the best flavor
  • Kosher salt: Just a tiny pinch sharpens the sweetness only use a small amount so things do not get too salty
  • Heavy cream: Essential for a rich glossy ganache Choose the freshest cream possible and avoid ultra pasteurized if you can
  • Semisweet chocolate chips: These melt well and balance the sweetness of the cake Choose a quality brand with real cocoa butter
  • Store bought vanilla icing: Squeezes easily from a tube for perfect spiderweb lines Makes decorating failproof

Step-by-Step Instructions

Prepare the Pans:
Butter and flour two nine inch round cake pans thoroughly so your cakes release cleanly after baking no sticky messes or broken edges
Bake the Cakes:
Make the boxed cake batter as directed on your package Mix well for even crumb Divide batter evenly and bake until a tester comes out clean Cool cakes in the pans for at least ten minutes then turn out onto wire racks to finish cooling completely
Make the Frosting:
Using a hand mixer beat together the softened butter confectioners sugar marshmallow crème vanilla extract and salt in a large bowl Whip the mixture until it becomes fluffy and light This blend is what makes the cake so irresistible
Assemble the Cake:
Place one cooled cake layer on your serving platter Spread a thick generous layer of the marshmallow frosting over the top Lay the second cake layer gently on top pressing down ever so slightly for stability
Make the Ganache:
Pour heavy cream into a small saucepan Heat over medium just until you see tiny bubbles on the edge do not boil Immediately pour hot cream over the semisweet chocolate chips in a heatproof bowl Let it sit untouched for two minutes Then whisk until completely smooth and shiny
Coat and Decorate:
Pour ganache all over the assembled cake letting it flow down the sides For the spiderweb use the tube of vanilla icing to pipe a spiral over the ganache surface Take a toothpick and gently drag lines outward from the center to create a web pattern It is simple but makes a big visual impact
A chocolate cake with a spider web design. Bookmark
A chocolate cake with a spider web design. | foodbymary.com

Marshmallow crème has always been my secret ingredient Since childhood I loved the sticky sweet flavor and now my family asks for this cake every October without fail

Storage Tips

This cake stays fresh if covered in the fridge for up to three days Let it come to room temperature before serving for the best soft texture If you need to make it further in advance you can actually freeze the undecorated cake layers for a month Wrap well and thaw completely before frosting and assembling

Ingredient Substitutions

If you prefer you can use homemade chocolate cake instead of a mix Use chopped chocolate instead of chips if you want a richer ganache For the frosting marshmallow fluff or even homemade marshmallow can work in place of jarred marmallow crème If allergy is an issue you can pick dairy free margarine and coconut cream for the frosting and ganache

Serving Suggestions

Presentation is everything for a cake like this Set it on a cake stand and scatter candy eyes or gummy spiders around it Serve with cups of cider or hot cocoa for the perfect autumn treat If you want a bigger spread offer vanilla ice cream or little bowls of Halloween candies along with the cake

Spider Cake Bookmark
Spider Cake | foodbymary.com

Cultural and Historical Context

Spiderweb cakes have become a Halloween staple in the past decade but the chocolate and marshmallow combo goes back generations In some families a spider cake was baked to encourage facing your fears with a little bit of sugar and fun This treat blends old fashioned flavors with a playful modern decoration

Common Recipe Questions

→ How is the spiderweb design created?

After pouring ganache over the cake, pipe a spiral of vanilla icing on top and use a toothpick to gently drag lines from the center outward, forming the signature web pattern.

→ What kind of chocolate works best in this dessert?

Semisweet chocolate chips are recommended for ganache as they provide balanced sweetness and a smooth, rich finish.

→ Can homemade cake be used instead of a boxed mix?

Yes, you can substitute your favorite homemade chocolate cake if desired; the method remains largely the same.

→ Does the frosting need to be refrigerated?

Because the frosting contains butter and heavy cream, it's best to store the cake in the refrigerator if not serving within a few hours.

→ Can I prepare the cake in advance?

You can bake the cake layers and make the frosting ahead of time. Assemble and decorate close to serving for best results.

Spiderweb Chocolate Cake Design

Chocolate cake with marshmallow frosting, ganache, and a decorative spiderweb design—perfect for fall gatherings.

Prep Time
30 minutes
Cooking Time
30 minutes
Complete Time
60 minutes
Published By: Evelyn

Recipe Category: Desserts

Skill Level: Beginner-Friendly

Cuisine Type: American

Total Portions: 12 Serves How Many (1 decorated layer cake)

Dietary Preferences: Vegetarian-Friendly

Required Ingredients

→ Cake Layers

01 1 box chocolate cake mix, plus required additional ingredients per package instructions

→ Frosting

02 120 grams unsalted butter, softened
03 120 grams confectioners’ sugar
04 213 grams marshmallow crème
05 5 millilitres vanilla extract
06 Pinch kosher salt

→ Ganache

07 180 millilitres heavy cream
08 255 grams semisweet chocolate chips

→ Decoration

09 1 tube store-bought vanilla icing

Step-by-Step Instructions

Step 01

Butter and flour two 23-centimetre cake pans. Prepare chocolate cake batter as directed on the package.

Step 02

Bake in preheated oven following package instructions. Allow cake layers to cool completely in pans before removing.

Step 03

Place the first cake layer on a serving platter.

Step 04

In a large bowl, beat together softened butter, confectioners’ sugar, marshmallow crème, vanilla extract, and a pinch of kosher salt with a hand mixer until light and fluffy.

Step 05

Spread a portion of the prepared frosting on the first cake layer. Position the second cake layer on top.

Step 06

Heat heavy cream in a small saucepan just until it starts to bubble. Place chocolate chips in a heatproof bowl, pour over hot cream, and let stand 2 minutes. Whisk until smooth and fully combined.

Step 07

Pour ganache evenly over cake layers, allowing it to drip over the sides. Pipe vanilla icing in a spiral on top, then use a toothpick to drag lines outward from the centre, creating a spiderweb pattern.

Handy Cooking Tips

  1. Ensure both cake layers are fully cooled before assembling to prevent frosting from melting.

Necessary Kitchen Tools

  • Two 23-centimetre cake pans
  • Hand mixer
  • Mixing bowls
  • Heatproof bowl
  • Saucepan
  • Spatula
  • Toothpick

Allergy Details

Always check ingredient packaging for potential allergens and consult a healthcare professional when in doubt.
  • Contains wheat (gluten), eggs, milk, and soy.

Nutritional Information (Per Serving)

These nutrition details are for guidance and don’t replace professional advice.
  • Calories: 420
  • Fat: 20 grams
  • Carbohydrates: 56 grams
  • Proteins: 4 grams