This Frankenstein cake is the perfect Halloween dessert! It’s made with moist green velvet cake layers and creamy buttercream, making it an eye-catching centerpiece for your spooky celebrations. Ideal for parties, family gatherings, or festive events, this cake not only looks amazing but also delivers on flavor. The unique green hue and delightful cream cheese frosting will make it a hit with both kids and adults alike!
Why You’ll Love This Recipe
- Fun and Festive: This cake captures the spirit of Halloween with its vibrant colors and playful design.
- Moist and Flavorful: The combination of green velvet cake and rich buttercream ensures every bite is delicious.
- Easy to Customize: Feel free to get creative with decorations, making it perfect for any occasion beyond Halloween!
- Perfect for Sharing: With 20 servings, it’s great for parties or gatherings where you want to impress your guests.
- Visual Appeal: Its striking appearance makes it a fantastic showstopper at any dessert table.
Tools and Preparation
To create your Frankenstein cake, you’ll need some essential tools. Having the right equipment will make your baking experience smoother and more enjoyable.
Essential Tools and Equipment
- 10-inch greaseproof cake board
- Spinning cake stand
- Small offset spatula
- Large piping bag
- Small piping bags (3)
- Large round piping tips (2)
- Small round piping tip
- Tiny piping tip
Importance of Each Tool
- Spinning cake stand: Allows for easy access to all sides of the cake when decorating.
- Large piping bag: Perfect for applying generous amounts of frosting smoothly.
- Small offset spatula: Great for spreading frosting evenly without damaging the cake layers.

Ingredients
For this Frankenstein Cake, gather the following ingredients:
For the Cake Layers
- 2 1/2 cups cake flour (300g)
- 2 Tbsp unsweetened cocoa powder, sifted (10g)
- 1 tsp baking soda (6g)
- 1/2 tsp fine salt (3g)
- 1/2 cup unsalted butter, room temperature (113g)
- 1 3/4 cups granulated sugar (350g)
- 2 large eggs, room temperature (112g)
- 1 1/4 cups buttermilk, room temperature (300g)
- 2/3 cup vegetable or canola oil (145g)
- 2 squirts of green gel food coloring (or 1 Tbsp liquid food coloring)
- 2 tsp vanilla extract or vanilla bean paste (8g)
- 1 tsp white vinegar (4g)
For the Frosting
- 1 1/2 cups unsalted butter, room temperature (339g – 3 sticks)
- 1/2 cup full-fat cream cheese, room temperature (113g or 4 oz.)
- 1 Tbsp vanilla extract or vanilla bean paste (12g)
- 1 tsp fine salt (6g)
- 8 cups powdered sugar (1000g)
- 2 Tbsp heavy whipping cream, room temperature (30g)
For Decoration
- Electric Green Gel Food Coloring
- Black Gel Food Coloring
How to Make Frankenstein Cake
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C). Prepare two 9-inch round cake pans by greasing them lightly and lining them with parchment paper.
Step 2: Mix Dry Ingredients
In a medium bowl, whisk together:
1. Cake flour
2. Cocoa powder
3. Baking soda
4. Salt
Set aside once combined.
Step 3: Cream Butter and Sugar
In a large bowl, beat together:
1. The unsalted butter and granulated sugar until light and fluffy.
2. Add in the eggs one at a time until fully incorporated.
Step 4: Combine Wet Ingredients
In another bowl, mix:
1. Buttermilk,
2. Vegetable oil,
3. Green gel food coloring,
4. Vanilla extract,
5. White vinegar.
Mix until well combined.
Step 5: Combine All Ingredients
Gradually add the dry ingredients to the wet mixture:
– Alternate adding dry ingredients with wet ingredients until just combined.
Step 6: Bake the Cake Layers
Pour the batter evenly into prepared pans. Bake for about 28 minutes or until a toothpick inserted comes out clean. Let cool in pans for about 10 minutes before transferring to wire racks.
Step 7: Prepare Frosting
While cakes cool, prepare your frosting:
– Beat together unsalted butter and cream cheese until smooth.
– Gradually add powdered sugar while mixing on low speed.
– Add vanilla extract, salt, and heavy cream until reached desired consistency.
Step 8: Assemble Your Cake
Once cooled completely:
– Place one layer on a cake board.
– Spread a layer of frosting on top before adding the second layer.
– Frost the entire cake smoothly using a spatula.
Step 9: Decorate Your Cake
Using colored gels:
– Decorate with electric green gel for Frankenstein’s skin.
– Use black gel to create facial features like eyes, mouth, and stitches.
And there you have it! Enjoy your spooky creation at any Halloween-themed gathering!
How to Serve Frankenstein Cake
Serving your Frankenstein cake can be as fun and creative as making it! This cake is perfect for Halloween parties, themed gatherings, or any celebration where you want to impress your guests with a spooky yet delicious dessert. Here are some delightful serving suggestions:
Fun Halloween Plates
- Use themed plates featuring pumpkins, ghosts, or monsters to enhance the festive atmosphere.
Whipped Cream Topping
- Add a dollop of whipped cream on top of each slice for extra creaminess and a beautiful presentation.
Spooky Garnishes
- Decorate with edible eyes or gummy worms for an eerie touch that kids will love.
Ice Cream Pairing
- Serve with a scoop of vanilla or mint ice cream for a refreshing contrast to the rich cake.
Cupcake Portions
- Cut the cake into cupcake-sized portions for easy serving at parties.
Themed Drink Suggestions
- Pair with themed drinks like witches’ brew punch to complement the spooky vibe.
How to Perfect Frankenstein Cake
To achieve the ultimate Frankenstein cake, follow these tips for a moist and visually striking dessert.
Use Room Temperature Ingredients: Ensure all your ingredients, especially butter and eggs, are at room temperature. This helps create an even batter and better texture.
Sift Your Dry Ingredients: Sifting the flour and cocoa powder helps eliminate lumps and ensures even mixing, leading to a lighter cake.
Don’t Overmix the Batter: Mix until just combined when adding wet and dry ingredients. Overmixing can lead to a dense cake.
Check Oven Temperature: Use an oven thermometer to ensure your oven is at the correct temperature. Baking at the right temperature is crucial for proper rise and texture.
Cool Completely Before Frosting: Allow your cake layers to cool completely before applying frosting. This prevents melting and helps maintain shape during decoration.
Experiment with Colors: Don’t hesitate to adjust the gel food coloring based on your desired shade of green. A vibrant color makes the cake more visually appealing!
Best Side Dishes for Frankenstein Cake
A well-rounded meal can elevate your dessert experience! Here are some side dishes that pair beautifully with Frankenstein cake, adding balance and flavor to your celebration.
- Pumpkin Soup
A warm, creamy pumpkin soup offers a seasonal flavor that complements the sweetness of the cake.
Stuffed Bell Peppers
Colorful bell peppers stuffed with rice, vegetables, or meat create a hearty side that contrasts nicely with the lightness of the cake.
Mixed Green Salad
A fresh salad with mixed greens, nuts, and cranberries provides a refreshing crunch alongside the sweet dessert.
Baked Sweet Potatoes
These naturally sweet potatoes add a nutritious element while keeping in line with fall flavors.
Roasted Vegetables
Seasonal roasted vegetables bring earthy tones that balance out the sweetness of the Frankenstein cake.
Cheesy Garlic Bread
This savory side dish adds richness and flavor that complements the different textures of your meal.
Fruit Salad
A light fruit salad offers refreshing sweetness and is great for balancing richer dishes served alongside your cake.
Savory Quiche
- A slice of quiche filled with seasonal veggies provides protein while keeping things festive!
Common Mistakes to Avoid
Baking a Frankenstein Cake can be fun, but there are some common mistakes to watch out for.
- Using the wrong flour: Always use cake flour for the best texture. All-purpose flour can make your cake dense.
- Skipping room temperature ingredients: Ensure eggs, butter, and buttermilk are at room temperature. Cold ingredients can lead to uneven mixing.
- Overmixing the batter: Mix just until combined to keep your cake light and fluffy. Overmixing can develop gluten and make the cake tough.
- Not measuring ingredients accurately: Use a kitchen scale for precise measurements. Incorrect amounts can affect the taste and texture of your Frankenstein Cake.
- Ignoring the baking time: Every oven is different. Check for doneness with a toothpick rather than relying solely on the timer.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftover Frankenstein Cake in an airtight container.
- It will stay fresh for up to 4 days in the fridge.
Freezing Frankenstein Cake
- Wrap slices tightly in plastic wrap then place them in a freezer-safe bag.
- The cake can be frozen for up to 3 months.
Reheating Frankenstein Cake
- Oven: Preheat to 350°F (175°C). Place the cake on a baking sheet and heat for about 10-15 minutes until warm.
- Microwave: Heat individual slices on medium power for 15-20 seconds. Do not overheat as it may dry out.
- Stovetop: Place a slice in a skillet over low heat, cover, and warm for about 5 minutes.
Frequently Asked Questions
If you have questions about making this delightful Frankenstein Cake, read on!
What is a Frankenstein Cake?
A Frankenstein Cake is a festive dessert perfect for Halloween, featuring moist green velvet layers and creamy frosting.
How do I get the bright green color?
Use gel food coloring for vibrant hues that won’t alter your cake’s texture. Liquid colors may require more to achieve the same effect.
Can I make this cake ahead of time?
Yes! You can bake the layers in advance and freeze them. Assemble just before serving for optimal freshness.
What are some decoration ideas for my Frankenstein Cake?
Consider using black gel icing for stitches or candy eyes to create a spooky effect. Get creative with toppings!
Can I substitute any ingredients?
Absolutely! For a dairy-free version, use plant-based butter and milk substitutes without compromising flavor.
Final Thoughts
This Frankenstein Cake is not only visually striking but also deliciously moist and flavorful. Its versatility allows you to customize decorations based on your theme or preferences. Whether it’s Halloween or a birthday celebration, this cake will surely impress your guests!

Frankenstein Cake
Indulge in the spooktacular delight of our Frankenstein Cake, a vibrant centerpiece perfect for Halloween celebrations! This moist green velvet cake, layered with rich buttercream frosting, isn’t just a feast for the eyes; it’s also a treat for the taste buds. With its playful design and delicious flavor, this cake is sure to be a hit at parties and family gatherings alike. Whether you’re hosting a themed event or simply want to impress guests with a creative dessert, this easy-to-make cake will leave everyone wanting more!
- Total Time: 58 minutes
- Yield: Approximately 20 servings 1x
Ingredients
- 2 ½ cups cake flour
- 2 tbsp unsweetened cocoa powder
- 1 ¾ cups granulated sugar
- ½ cup unsalted butter
- 2 large eggs
- 1 ¼ cups buttermilk
- Vegetable oil
- Green gel food coloring
- Cream cheese
Instructions
- Preheat oven to 350°F (175°C) and prepare two 9-inch round cake pans.
- In a bowl, whisk together cake flour, cocoa powder, baking soda, and salt.
- In another bowl, cream butter and sugar until fluffy; add eggs one at a time.
- Combine buttermilk, vegetable oil, green food coloring, and vanilla extract; mix well.
- Gradually incorporate dry ingredients into wet mixture until just combined.
- Pour batter into pans and bake for about 28 minutes or until a toothpick comes out clean.
- Cool layers completely before frosting with cream cheese buttercream.
- Prep Time: 30 minutes
- Cook Time: 28 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice (105g)
- Calories: 405
- Sugar: 48g
- Sodium: 240mg
- Fat: 18g
- Saturated Fat: 10g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 60g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 55mg
Keywords: For added fun, experiment with different colors of gel food coloring to create unique designs. Consider using plant-based alternatives for butter and milk for a dairy-free version that doesn't compromise flavor.