This Frankenstein Cake is the ultimate Halloween dessert that will wow your guests! With its stunning green velvet layers and delicious cream cheese buttercream, this cake is perfect for spooky celebrations or any festive occasion. Its vibrant color and fun design make it a standout treat, while its rich flavor ensures everyone will come back for seconds!
Why You’ll Love This Recipe
- Eye-Catching Appearance: The bright green color and playful design of the Frankenstein cake make it a showstopper at any Halloween party.
- Delicious Flavor: The combination of moist green velvet cake and creamy buttercream creates a delightful taste that everyone loves.
- Versatile Occasions: Perfect for Halloween, birthday parties, or any festive gathering, this cake suits various celebrations.
- Easy to Make: With clear steps and simple ingredients, even novice bakers can create this impressive dessert.
- Customizable Design: Get creative with decorations! You can personalize the cake to fit your theme or preferences.
Tools and Preparation
To create a stunning Frankenstein cake, you’ll need some essential tools to make the process smoother. Here’s what you’ll need:
Essential Tools and Equipment
- 10-inch greaseproof cake board
- Spinning cake stand
- Small offset spatula
- 1 large piping bag
- 3 small piping bags
- 2 large round piping tips (like a Wilton 2A)
- 1 small round piping tip (like a Wilton 12)
- 1 tiny piping tip (like a Wilton 3)
Importance of Each Tool
- Spinning Cake Stand: A spinning stand allows for easy access to all sides of the cake while decorating, ensuring an even finish.
- Piping Bags: Using piping bags helps in creating detailed designs without mess. They’re essential for intricate decoration work on your Frankenstein cake.

Ingredients
To make this delightful Frankenstein Cake, gather the following ingredients:
For the Cake
- 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 Cream Cheese Buttercream
- 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 round cake pans by greasing them and lining the bottoms 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.
Step 3: Cream Butter and Sugar
In a large mixing bowl:
1. Beat the unsalted butter until creamy.
2. Gradually add granulated sugar and beat until light and fluffy.
Step 4: Add Eggs and Wet Ingredients
Add eggs one at a time while mixing well after each addition. Then incorporate:
– Buttermilk,
– Vegetable oil,
– Green gel food coloring,
– Vanilla extract,
– White vinegar.
Mix until combined.
Step 5: Combine Dry and Wet Ingredients
Gradually add the dry mixture to the wet mixture. Mix until just combined—do not overmix.
Step 6: Bake the Cakes
Divide the batter evenly between the prepared pans. Bake for about 28 minutes or until a toothpick inserted into the center comes out clean. Allow cakes to cool in pans for about 10 minutes before transferring to wire racks to cool completely.
Continue with frosting and decorating as per your creativity! Enjoy making this delightful Frankenstein Cake!
How to Serve Frankenstein Cake
Serving your Frankenstein cake can be as fun as making it! This whimsical dessert is perfect for Halloween parties, birthday celebrations, or any spooky gathering. Here are some creative ways to present this delightful cake.
Individual Slices
- Serve slices on Halloween-themed plates for a festive touch.
- Pair each slice with a scoop of vanilla ice cream to balance the sweetness.
Cake Pops
- Transform leftover cake into cake pops by crumbling the cake and mixing it with buttercream.
- Dip in green chocolate and decorate with eyes for a fun twist.
Cupcake Version
- Bake the batter in cupcake liners for individual servings.
- Top with green buttercream and spooky decorations for a playful look.
Dessert Table Display
- Create an eye-catching dessert table featuring the Frankenstein cake alongside themed treats like ghost cookies and pumpkin cupcakes.
- Use props like fake spiders or cobwebs to enhance the spooky atmosphere.
Themed Party Favors
- Offer mini slices of Frankenstein cake in clear bags as party favors.
- Attach a tag that says Thanks for celebrating with us! for a personal touch.
How to Perfect Frankenstein Cake
Perfecting your Frankenstein cake requires attention to detail. Follow these tips to ensure your cake turns out just right!
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Use Room Temperature Ingredients: Ensure all ingredients like butter, eggs, and buttermilk are at room temperature for better mixing and texture.
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Sift Dry Ingredients: Always sift your flour and cocoa powder. This helps eliminate lumps and ensures even mixing.
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Don’t Overmix: When combining wet and dry ingredients, mix just until incorporated. Overmixing can lead to a dense cake.
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Check Oven Temperature: Use an oven thermometer to confirm your oven is at the correct temperature. An inconsistent oven can affect baking times.
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Cool Completely Before Frosting: Allow the cake layers to cool completely before adding buttercream. This prevents melting and sliding of frosting.
Best Side Dishes for Frankenstein Cake
Pairing side dishes with your Frankenstein cake can elevate your dessert experience. Here are some great ideas!
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Spooky Fruit Salad: A mix of seasonal fruits like oranges, grapes, and kiwi arranged in Halloween shapes adds freshness.
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Pumpkin Spice Muffins: These warm muffins complement the dessert’s sweetness while bringing in fall flavors.
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Candy Corn Mix: A fun bowl of candy corn mixed with nuts offers a sweet and salty contrast to the rich cake.
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Ghostly Marshmallow Treats: Rice cereal treats shaped like ghosts provide a chewy, marshmallowy addition that kids love.
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Choco-Covered Pretzels: Sweet-and-salty pretzels dipped in dark chocolate make for an irresistible snack alongside the cake.
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Apple Slices with Caramel Dip: Crisp apple slices served with creamy caramel dip offer a refreshing contrast that’s perfect for fall gatherings.
Common Mistakes to Avoid
Baking a Frankenstein Cake can be a delightful experience, but there are some common pitfalls to watch out for.
- Bold Timing: Not allowing enough time for the cakes to cool can lead to a messy frosting situation. Be patient and let each layer cool completely before decorating.
- Bold Overmixing Batter: Mixing the batter too much can result in a dense cake. Mix until just combined for a light and fluffy texture.
- Bold Inaccurate Measurements: Using incorrect ingredient measurements can alter the cake’s outcome. Always measure ingredients precisely using kitchen scales or measuring cups.
- Bold Skipping Room Temperature Ingredients: Using cold eggs or butter can affect how well they incorporate into the batter. Ensure all ingredients are at room temperature for best results.
- Bold Ignoring Food Coloring: Adding too little or too much food coloring may not give you the vibrant green you desire. Start with less and add more as needed to achieve your perfect shade.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftover Frankenstein Cake in an airtight container.
- It will stay fresh for up to five days in the refrigerator.
Freezing Frankenstein Cake
- Wrap individual slices in plastic wrap, then place them in a freezer-safe bag.
- The cake can be frozen for up to three months.
Reheating Frankenstein Cake
- Oven: Preheat your oven to 350°F (175°C). Place the slice on a baking sheet and heat for about 10 minutes.
- Microwave: Heat a slice on medium power for 15-20 seconds. Check to avoid overheating, which can dry it out.
- Stovetop: Use a skillet over low heat, covering it with a lid, and warm the slice for about 5 minutes.
Frequently Asked Questions
Here are some common questions about making Frankenstein Cake.
What is Frankenstein Cake?
Frankenstein Cake is a fun Halloween-themed dessert made with moist green velvet layers and cream cheese buttercream, perfect for parties!
How do I make green velvet cake?
To make green velvet cake, combine cake flour, cocoa powder, baking soda, salt, and mix with wet ingredients like buttermilk and oil, adding green food coloring until you reach the desired hue.
Can I substitute ingredients in this Frankenstein Cake recipe?
Yes! You can replace buttermilk with regular milk mixed with vinegar or use plant-based alternatives like almond milk if needed.
How long does it take to bake this Frankenstein Cake?
The total baking time for this cake is approximately 28 minutes, plus additional time for preparation and cooling.
Can I decorate my Frankenstein Cake differently?
Absolutely! Get creative by adding different colors of frosting or themed decorations like candy eyes or chocolate pieces to enhance its spooky appearance.
Final Thoughts
This Frankenstein Cake is not only a showstopper but also versatile enough to adapt to various preferences. Whether you stick with classic cream cheese frosting or add unique decorations, it’s bound to impress your guests. Give it a try this Halloween season!

Frankenstein Cake
- Total Time: 58 minutes
- Yield: Serves approximately 12 slices 1x
Description
Get ready to dazzle your guests with a show-stopping Frankenstein Cake, perfect for Halloween or any festive gathering! This vibrant green velvet dessert features moist layers complemented by a rich cream cheese frosting, making it an unforgettable treat. With its eye-catching design and delightful flavors, this cake will not only satisfy your sweet tooth but also add a playful touch to your celebrations. Plus, it’s easy to make, allowing even novice bakers to create something truly spectacular. Get creative with decorations and make this cake your own!
Ingredients
- 2 1/2 cups cake flour
- 2 Tbsp unsweetened cocoa powder, sifted
- 1 tsp baking soda
- 1/2 tsp fine salt
- 1/2 cup unsalted butter, room temperature
- 1 3/4 cups granulated sugar
- 2 large eggs, room temperature
- 1 1/4 cups buttermilk, room temperature
- 2/3 cup vegetable or canola oil
- 2 squirts of green gel food coloring (or 1 Tbsp liquid food coloring)
- 2 tsp vanilla extract
- 1 tsp white vinegar
- 1 1/2 cups unsalted butter, room temperature (for frosting)
- 1/2 cup full-fat cream cheese, room temperature
- 1 Tbsp vanilla extract (for frosting)
- 1 tsp fine salt (for frosting)
- 8 cups powdered sugar
- 2 Tbsp heavy whipping cream, room temperature (for frosting)
- Electric Green Gel Food Coloring (for decoration)
- Black Gel Food Coloring (for decoration)
Instructions
- Preheat oven to 350°F (175°C). Grease and line two round cake pans.
- Whisk together cake flour, cocoa powder, baking soda, and salt in a bowl.
- In a separate bowl, cream unsalted butter and sugar until light and fluffy.
- Add eggs one at a time, mixing well after each addition. Then mix in buttermilk, vegetable oil, green gel food coloring, vanilla extract, and vinegar.
- Gradually combine dry ingredients with wet mixture until just mixed.
- Divide batter between prepared pans and bake for about 28 minutes or until a toothpick comes out clean. Cool in pans for 10 minutes before transferring to wire racks.
- Prep Time: 30 minutes
- Cook Time: 28 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 410
- Sugar: 45g
- Sodium: 320mg
- Fat: 18g
- Saturated Fat: 8g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 58g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 45mg