• Recipe Index
  • About
  • Recipes by Course
    • Appetizers and Snacks
    • Side-Dish
    • Soups
    • Drinks
    • Desserts
  • Recipes by Meal Time
    • Breakfast
    • Dinner
menu icon
go to homepage
  • Recipe Index
  • About
  • Recipes by Course
    • Appetizers and Snacks
    • Side-Dish
    • Soups
    • Drinks
    • Desserts
  • Recipes by Meal Time
    • Breakfast
    • Dinner
search icon
Homepage link
  • Recipe Index
  • About
  • Recipes by Course
    • Appetizers and Snacks
    • Side-Dish
    • Soups
    • Drinks
    • Desserts
  • Recipes by Meal Time
    • Breakfast
    • Dinner
×

Spider Web Chocolate Cake with Fudge Buttercream and Edible Spider Recipe

Published: Oct 21, 2025 · Modified: Dec 3, 2025 by Bara · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 4.1 from 68 reviews

If you have a sweet tooth and love a festive, show-stopping dessert, this Spider Web Chocolate Cake with Fudge Buttercream and Edible Spider Recipe is exactly what you need. Imagine the richest, moist chocolate cake infused with espresso, slathered in creamy fudge buttercream, all topped off with a delicate white chocolate spider web and an adorable edible spider. This cake is not only a delicious treat but also a conversation starter, perfect for Halloween or any chocolate lover’s celebration. Let me take you through every step to create this memorable dessert that’s as fun to make as it is to eat.

Ingredients You'll Need

Spider Web Chocolate Cake with Fudge Buttercream and Edible Spider Recipe

This cake uses a handful of simple yet essential ingredients, each chosen to deliver amazing flavor, texture, and that deep chocolate color. From the coffee that enhances the cocoa, to the combination of butter and sugar creating a luscious buttercream, every element plays its part perfectly.

  • Sour cream (½ cup): Adds moisture and tanginess, keeping the cake wonderfully tender.
  • Buttermilk (1 cup): Works with baking soda to give the cake a light, fluffy crumb.
  • Eggs (3 large): Provide structure and richness to the batter.
  • Strong hot coffee (1 ½ cups): Deepens the chocolate flavor, making it rich and indulgent—the espresso strength is key here.
  • Vegetable oil (¾ cup): Keeps the cake moist and soft for days.
  • Vanilla extract (1 tablespoon): Lifts the flavors and balances the chocolate intensity.
  • All-purpose flour (3 cups): Forms the base of the cake, providing structure.
  • Granulated sugar (2 ⅔ cups): Sweetens the cake and contributes to a tender crumb.
  • Cocoa powder (½ cup): Brings that rich chocolate essence and color.
  • Baking powder (1 ½ teaspoons): Helps the cake rise evenly.
  • Baking soda (1 tablespoon): Reacts with buttermilk to give an airy texture.
  • Kosher salt (¾ teaspoon): Enhances all the sweet flavors, preventing it from tasting flat.
  • Unsalted butter (1 ½ cups): The base of the fudge buttercream, bringing creaminess and richness.
  • Cocoa powder for frosting (½ cup): Gives the buttercream that chocolate punch.
  • Salt for frosting (¾ teaspoon): Balances the sweetness in the frosting perfectly.
  • Confectioners sugar (1 pound, sifted): Essential for smooth, silky frosting texture.
  • Quality fudge (⅓ cup): Adds an extra depth of chocolate luxury to the buttercream.
  • White chocolate (⅓ cup, melted): Used for drawing the beautiful spider web on top.
  • Brown peanut M&M (1): Forms the spider’s body for a fun, edible decoration.
  • Brown M&M (1): Creates the spider’s head, complementing the overall look.
  • Semi-sweet chocolate (2 tbsp, melted): For piping delicate spider legs that freeze quickly and keep their shape.

How to Make Spider Web Chocolate Cake with Fudge Buttercream and Edible Spider Recipe

Step 1: Prepare and Bake the Cake

Start by preheating your oven to 350 degrees Fahrenheit. Line your sheet cake pan with parchment paper, then butter and flour both the paper and pan sides to prevent sticking. It’s crucial to sift together the dry ingredients including the sugar—this ensures even distribution and a light texture. Mix your wet ingredients separately, whisking them thoroughly.

Next, combine the wet ingredients into the dry mix and whisk briefly before mixing on a low speed for two minutes. This method helps develop a uniform batter that will bake evenly.

Pour your batter into the prepared pan and bake for about 50 minutes. You’ll know it’s done when a toothpick inserted in the center comes out clean. Let it cool completely on wire racks before moving to frosting.

Step 2: Make the Fudge Buttercream

While the cake cools, beat the unsalted butter in your stand mixer until creamy and smooth. Add cocoa powder on a low speed to avoid messy clouds of cocoa while mixing. Gradually combine sifted confectioners sugar and salt before slowly adding in the quality fudge, mixing until everything is beautifully incorporated and silky.

Step 3: Assemble the Cake and Create the Spider Web

Use an ice cream scooper to dollop the fudge buttercream on top of the cooled cake, then spread evenly using an offset spatula. Drizzle melted white chocolate over the surface in a spiral pattern, starting from the center.

To create the spider web effect, gently drag a toothpick or point tool through the white chocolate spiral in straight lines radiating outward. This stunning web design makes this cake unique and perfect for any spooky celebration.

Step 4: Craft the Edible Spider

Melt the semi-sweet chocolate and transfer it to a piping bag. Pipe ‘L’ shaped spider legs onto parchment paper and freeze for 5 to 10 minutes until set solid. Assemble your spider by sticking the legs around a brown peanut M&M body and a regular brown M&M head with a dab of melted chocolate as glue.

Place your little spider delicately on the web and prepare to impress everyone!

How to Serve Spider Web Chocolate Cake with Fudge Buttercream and Edible Spider Recipe

Spider Web Chocolate Cake with Fudge Buttercream and Edible Spider Recipe

Garnishes

To make your Spider Web Chocolate Cake with Fudge Buttercream and Edible Spider Recipe even more captivating, consider adding a dusting of cocoa powder or edible silver glitter for a glow-in-the-dark effect under party lights. Fresh berries on the side can add a pleasant tart contrast and a pop of color.

Side Dishes

Serving the cake with a scoop of vanilla bean ice cream or a bit of salted caramel sauce elevates the experience, balancing the richness of the chocolate. A cup of freshly brewed coffee or a creamy latte complements the espresso flavor in the cake beautifully.

Creative Ways to Present

For parties, cut the cake into fun shapes or mini cupcakes with the same web and spider design on each. Placing the spider off-center adds a playful touch. Layering the cake with chocolate ganache in between slices will make it visually stunning and decadently rich.

Make Ahead and Storage

Storing Leftovers

After your event, store any leftover Spider Web Chocolate Cake with Fudge Buttercream and Edible Spider Recipe in an airtight container at room temperature for up to two days, or refrigerate for up to five days. Keep the spider separate to avoid smudging the design.

Freezing

This cake freezes well. Wrap it tightly in plastic wrap and then foil, freezing for up to three months. Thaw it overnight in the refrigerator to preserve the fudge buttercream texture and moisture.

Reheating

For best results, enjoy your cake cold or at room temperature. If you prefer it warm, microwave individual slices in 10-second intervals, watching carefully so you don’t melt the buttercream decoration.

FAQs

Can I use regular brewed coffee instead of espresso for the cake?

Yes, you can! Just make sure the coffee is strong to maintain that lovely deep chocolate flavor. A strong brew or concentrate works best.

What if I don’t have a piping bag for the spider legs?

No worries. You can use a zip-top bag with a tiny corner snipped off or a toothpick dipped in melted chocolate to create the legs one by one.

Is it okay to substitute part of the vegetable oil with butter in the cake?

You can substitute up to half with butter for added richness, but keep some oil to maintain the cake’s moist texture.

How far in advance can I bake and assemble this cake?

You can bake the cake up to two days ahead and keep it wrapped tightly. Assemble the frosting and spider on the day you plan to serve for freshness.

Can I make this cake gluten-free?

With a suitable gluten-free flour blend, yes! Just ensure the blend includes xanthan gum or another binder to keep the structure intact.

Final Thoughts

I can’t recommend enough giving this Spider Web Chocolate Cake with Fudge Buttercream and Edible Spider Recipe a try. It’s a delightful mix of rich flavors, fun decorations, and that cozy homemade charm that will wow family and friends every time. Whether it’s for Halloween or just a special occasion craving chocolate, this cake is a guaranteed crowd-pleaser that you’ll love making and sharing.

Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon
Spider Web Chocolate Cake with Fudge Buttercream and Edible Spider Recipe

Spider Web Chocolate Cake with Fudge Buttercream and Edible Spider Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.1 from 68 reviews
  • Author: Bara
  • Prep Time: 20 minutes
  • Cook Time: 50 minutes
  • Total Time: 1 hour 10 minutes
  • Yield: 16 servings
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
Print Recipe
Pin Recipe

Description

Spider Web Cake is a decadent American chocolate dessert featuring the richest chocolate cake topped with a smooth fudge buttercream frosting. The cake is adorned with a creative spider web design made from white chocolate and semi-sweet chocolate, complete with a cute spider crafted from brown peanut M&Ms. Perfect for Halloween or any chocolate lover's celebration, this cake combines deep chocolate flavors with a visually impressive design.


Ingredients

For the Cake

  • ½ cup sour cream
  • 1 cup buttermilk
  • 3 large eggs
  • 1 ½ cup strong hot coffee (preferably espresso brewed with a Moka pot)
  • ¾ cup vegetable oil
  • 1 tablespoon vanilla extract
  • 3 cups all-purpose flour
  • 2 ⅔ cups granulated sugar
  • ½ cup cocoa powder
  • 1 ½ teaspoon baking powder
  • 1 tablespoon baking soda
  • ¾ teaspoon kosher salt

For the Frosting

  • 1 ½ cup unsalted butter
  • ½ cup cocoa powder
  • ¾ teaspoon salt
  • 1 pound confectioners sugar (sifted)
  • ⅓ cup high-quality fudge
  • ⅓ cup white chocolate (melted)

For the Spider

  • 1 Brown peanut M&M
  • 1 Brown M&M
  • 2 tbsp semi-sweet chocolate (melted)


Instructions

  1. Prepare Cake Pan: Preheat the oven to 350°F (175°C). Line a sheet cake pan with parchment paper, then butter and flour the paper and sides to prevent sticking.
  2. Mix Dry Ingredients: Sift together the all-purpose flour, granulated sugar, cocoa powder, baking powder, baking soda, and kosher salt into the bowl of a stand mixer. Whisk these together to evenly combine all dry components.
  3. Combine Wet Ingredients: In a large bowl, whisk together the sour cream, buttermilk, eggs, hot strong coffee (espresso), vegetable oil, and vanilla extract until smooth and fully incorporated.
  4. Mix Batter: Pour the wet ingredients into the dry ingredients bowl. First whisk to combine, then use the stand mixer on speed 2 for 2 minutes to achieve a smooth, well-mixed batter.
  5. Bake the Cake: Pour the batter into the prepared cake pan and smooth the top. Bake for about 50 minutes or until a toothpick inserted in the center comes out clean.
  6. Cool the Cake: Allow the cake to cool in the pan for a short while before inverting it onto wire racks. Let it cool completely to room temperature.
  7. Make Frosting: Using a stand mixer, beat the unsalted butter until creamy. Gradually add cocoa powder on a low speed to avoid dust. Slowly incorporate sifted confectioners sugar and salt. Add in the fudge gradually, mixing until fully incorporated and smooth.
  8. Assemble and Decorate: Using an ice cream scooper, dollop the fudge buttercream frosting onto the top of the cooled cake. Spread evenly with an offset spatula. Drizzle the melted white chocolate in a spiral pattern on top.
  9. Create Spider Web: Using a toothpick or point tool, drag lines from the center outward through the white chocolate spiral to create a spider web effect.
  10. Make the Spider: Melt semi-sweet chocolate and transfer to a piping bag. Pipe ‘L’ shaped legs onto parchment paper. Freeze for 5 to 10 minutes to set the legs.
  11. Assemble Spider: Place the brown peanut M&M as the spider’s body and the brown M&M as its head. Attach the chocolate legs around the body carefully to complete the spider decoration on the cake.

Notes

  • Use strong coffee or espresso for deep chocolate flavor enhancement in the cake batter.
  • Ensure the cake is completely cooled before frosting to prevent melting or sliding.
  • For a smoother frosting, sift confectioners sugar before use.
  • Frozen chocolate legs handle better when attaching to the M&M spider.
  • This cake serves well for Halloween or themed parties due to its decorative spider web and spider.

Have you made this recipe? I'd love to see it!

Click here to Follow me on Pinterest

More Desserts

  • Vegan Blackberry Crumble Bars Recipe
    Vegan Blackberry Crumble Bars Recipe
  • Berry Coconut Panna Cotta Recipe
    Berry Coconut Panna Cotta Recipe
  • Pistachio Buttercream Recipe
    Pistachio Buttercream Recipe
  • Oft Lime Sugar Cookies Recipe
    Oft Lime Sugar Cookies Recipe

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Recipe rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star

I’m Bara, a proud mom, grandmother, and woman who has loved cooking for more than fifty years.
For me, food has never been just a meal it’s a language of love, a way to bring people together, and a way to create memories that last a lifetime.

Learn more

Popular

  • Gnocchi Soup with Vegan Cream and Vegetables Recipe
    Gnocchi Soup with Vegan Cream and Vegetables Recipe
  • High Protein Tomato Soup Recipe
    High Protein Tomato Soup Recipe
  • London Fog Tea Latte Recipe
    London Fog Tea Latte Recipe
  • Brownie Batter Puppy Chow Recipe
    Brownie Batter Puppy Chow Recipe

Footer

↑ back to top

Explore

  • Appetizers and Snacks
  • Breakfast
  • Soups
  • Dinner
  • Side-Dish
  • Desserts
  • Drinks

About

  • Privacy Policy
  • Terms & Conditions
  • Contact
  • Disclosure
  • DMCA

We may earn from qualifying purchases through affiliate links at no extra cost to you.

Copyright © 2025 Yum Bara. All rights reserved.