Velvety Red Betty Boop Cake

Featured in: Warm Bake & Roast Recipes

This whimsical Betty Boop Cake features tender, deep red layers paired with smooth cream cheese buttercream and eye-catching fondant decorations. The process begins with a classic butter cake tinted vibrant red, baked to perfection, then layered with tangy frosting. Black fondant forms the iconic hair silhouette, while white and red fondant create the signature eyes and lips, bringing cartoon charm to life on your dessert table.

Updated on Sun, 01 Feb 2026 15:07:00 GMT
Showcasing the Betty Boop Cake with velvety red layers peeking from beneath smooth cream cheese buttercream. Save
Showcasing the Betty Boop Cake with velvety red layers peeking from beneath smooth cream cheese buttercream. | birchwhisk.com

The first time I attempted a character cake, my kitchen looked like a craft room explosion. There was red food coloring somehow splattered on cabinets I swore I had covered, and fondant stuck to places it had no business being. But when that Betty Boop cake came together, something magical happened. My niece walked in, gasped, and suddenly all the mess was worth it. Now it is the cake she requests for every milestone celebration.

Last summer I made this for a 1950s themed dinner party and watched adults line up for photos beside it like they were meeting a celebrity. Something about that iconic black hair and red lip silhouette makes people smile before they even take a bite. The cake disappeared faster than the cocktail weenies, and three people asked for the recipe before dessert was even over.

Ingredients

  • all purpose flour: Provides the structure for those tall proud layers that stack without collapsing
  • granulated sugar: Sweetens while creating that tender velvet texture we love in red cake
  • baking powder: Gives the lift needed for light airy layers that still feel substantial
  • salt: A pinch balances sweetness and enhances all the other flavors
  • unsalted butter: Room temperature butter creates the perfect foundation for both cake and frosting
  • large eggs: Room temperature eggs incorporate better for a uniform crumb structure
  • whole milk: Adds moisture and richness that makes each bite memorable
  • vanilla extract: Pure vanilla rounds out the flavor profile beautifully
  • red gel food coloring: Gel coloring delivers that deep cartoon red without thinning the batter
  • cream cheese: Cold cream cheese creates that signature tangy frosting we crave
  • powdered sugar: Sifted sugar ensures silky smooth buttercream every time
  • black white and red fondant: These transform a delicious cake into a showstopping character
  • edible pearl dust: Optional but adds that professional photographer worthy shine

Instructions

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Prep your pans and oven:
Preheat oven to 350°F and grease two 8-inch round pans with parchment paper for easy release later
Whisk the dry ingredients:
In a medium bowl, combine flour, baking powder, and salt then set aside for later
Cream butter and sugar:
Beat butter and sugar on medium speed for about 3 minutes until pale and fluffy
Add eggs and vanilla:
Beat in eggs one at a time, then stir in vanilla until fully incorporated
Combine wet and dry:
Alternate adding flour mixture and milk in three additions, starting and ending with flour while scraping the bowl
Add the signature color:
Mix in red gel food coloring until the batter reaches that deep cartoon red
Bake the layers:
Divide batter evenly between pans and bake for 25 to 30 minutes until a toothpick comes out clean
Cool completely:
Let cakes rest in pans for 10 minutes, then invert onto wire racks until completely cool
Make the buttercream:
Beat cream cheese and butter until smooth, then gradually add powdered sugar until fluffy
Assemble the cake:
Trim domes level, stack layers with buttercream between, then apply a crumb coat and chill
Apply final frosting:
Spread a smooth final coat of buttercream using a scraper for those polished sides
Create the decorations:
Roll black fondant and cut Betty Boops hair silhouette, white circles for eyes, red lips
Add the finishing touches:
Attach fondant pieces with dabs of buttercream, add eyelashes, headband, and any final details
Rest before serving:
Let the decorated cake rest for 30 minutes at room temperature before slicing
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Easily spray or drizzle oil for roasting vegetables, air frying, sautéing, and dressing salads with controlled coverage.
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A close-up of the Betty Boop Cake highlights shiny black fondant hair and bright white cartoon eyes. Pin it
A close-up of the Betty Boop Cake highlights shiny black fondant hair and bright white cartoon eyes. | birchwhisk.com

My niece still talks about the year I made this for her 12th birthday. She kept asking if she could touch the hair and eventually I let her carefully press her finger against the black fondant. That moment of pure childlike wonder over a cake is why I bother with all the fuss.

Making Fondant Work For You

Fondant intimidates everyone at first but it is surprisingly forgiving once you understand it behaves like Play-Doh that can set firm. Work quickly but gently, and keep a small bowl of water nearby to smooth rough edges with your fingertip. The trick is letting it rest briefly if it becomes too elastic.

Getting That Cartoon Red Right

I learned the hard way that liquid food coloring turns batter into a weird soupy mess that never bakes properly. Gel coloring is concentrated, so start with less than you think you need. That deep vibrant red develops slowly, and you can always add more but cannot take it back.

Timing Your Cake Project

This cake rewards those who plan ahead but punishes those who rush. Bake layers a day in advance and wrap them well at room temperature. Make buttercream ahead too but let it come to room temperature before frosting. Fondant decorations can be cut days early and stored in airtight containers.

  • Set aside three hours from start to finish for your first attempt
  • Have all fondant tools and templates ready before you start decorating
  • Keep a small bowl of warm water nearby for smoothing fondant seams
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A tall Betty Boop Cake served on a cake board, ready for a festive birthday celebration. Pin it
A tall Betty Boop Cake served on a cake board, ready for a festive birthday celebration. | birchwhisk.com

Every time I serve this cake, someone inevitably asks which bakery made it. That moment of disbelief when I say it came from my home kitchen never gets old.

Frequently Asked Questions

Can I make this cake without fondant decorations?

Yes, you can pipe the hair, eyes, and lips using black, white, and red buttercream instead of fondant for a simpler approach.

How do I store leftover cake?

Store covered in the refrigerator for up to 4 days. Bring to room temperature 30 minutes before serving for best flavor and texture.

Can I prepare the layers in advance?

Absolutely. Bake and cool the layers, wrap tightly in plastic wrap, and refrigerate up to 2 days or freeze up to 1 month before assembling.

What if I don't have gel food coloring?

Liquid food coloring works but requires more volume to achieve deep red color, which may slightly affect batter consistency. Gel is preferred for vibrant hue.

How can I achieve smoother buttercream sides?

Apply a thin crumb coat first, chill thoroughly, then add the final layer. Use a cake scraper or offset spatula dipped in hot water and dried for smoothest finish.

Is this suitable for beginners?

This is an advanced project due to fondant work and layering techniques. Beginners should practice basic frosting and fondant handling before attempting this design.

Velvety Red Betty Boop Cake

Velvety red layers with cream cheese buttercream and playful black fondant hair for a cartoon-inspired celebration.

Prep Time
60 Minutes
Cook Time
30 Minutes
Total Time
90 Minutes


Difficulty: Hard

Cuisine: American

Yield: 12 servings

Dietary: Vegetarian

Ingredients

For the Cake

01 2 cups all-purpose flour
02 1.5 cups granulated sugar
03 2 teaspoons baking powder
04 0.5 teaspoon salt
05 0.5 cup unsalted butter, at room temperature
06 2 large eggs, at room temperature
07 0.75 cup whole milk
08 2 teaspoons vanilla extract
09 1 tablespoon red gel food coloring

For the Cream Cheese Buttercream

01 8 ounces cream cheese, at room temperature
02 0.5 cup unsalted butter, at room temperature
03 4 cups powdered sugar, sifted

For Decoration

01 8 ounces black fondant
02 4 ounces white fondant
03 2 ounces red fondant
04 1 teaspoon edible pearl dust or luster dust
05 Cornstarch for rolling fondant

Instructions

Step 01

Prepare baking pans: Preheat oven to 350°F. Grease and line two 8-inch round cake pans with parchment paper.

Step 02

Combine dry ingredients: In a medium bowl, whisk together flour, baking powder, and salt. Set aside.

Step 03

Cream butter and sugar: In a large bowl, cream butter and sugar with an electric mixer on medium speed until light and fluffy, approximately 3 minutes.

Step 04

Incorporate eggs and vanilla: Add eggs one at a time, beating well after each addition. Stir in vanilla extract.

Step 05

Alternate wet and dry ingredients: Reduce mixer speed to low and alternately add flour mixture and milk in three additions, beginning and ending with flour. Scrape down bowl as needed.

Step 06

Color the batter: Mix in red gel food coloring until the batter reaches a uniform deep red hue.

Step 07

Fill cake pans: Divide batter evenly between prepared pans and smooth tops with a spatula.

Step 08

Bake cake layers: Bake for 25 to 30 minutes, or until a toothpick inserted in the center comes out clean. Rotate pans halfway through baking.

Step 09

Cool cakes: Let cakes rest in pans for 10 minutes, then invert onto wire racks to cool completely.

Step 10

Prepare cream cheese buttercream: Beat cream cheese and butter together on medium speed until smooth, approximately 2 minutes.

Step 11

Finish buttercream: Gradually add powdered sugar, one cup at a time, beating on low speed until incorporated. Increase speed to medium and beat until light and fluffy, approximately 3 minutes.

Step 12

Level and assemble layers: Trim cake domes level with a serrated knife. Place one layer on the cake board and spread a layer of buttercream on top. Carefully place the second layer on top.

Step 13

Apply crumb coat: Apply a thin crumb coat of buttercream around the entire cake. Chill in refrigerator for 20 minutes to set.

Step 14

Apply final frosting: Apply a final coat of buttercream and smooth sides and top with a cake scraper or offset spatula.

Step 15

Prepare fondant hair: Dust a clean work surface with cornstarch and roll black fondant to approximately 1/8-inch thickness. Cut out Betty Boop's hair silhouette using a template or freehand. Transfer onto parchment paper.

Step 16

Prepare fondant facial features: Roll white fondant and cut out two large circles for eyes and small hearts for highlights. Roll red fondant and cut out lips. Dust with edible pearl dust if desired.

Step 17

Attach hair silhouette: Once the cake is chilled and frosting is firm, gently drape black fondant hair silhouette over the front of the cake, trimming excess at the base. Attach white fondant eyes and red lips with a small dab of buttercream.

Step 18

Add facial details: Use extra black fondant to pipe or cut out eyelashes and eyebrows. Position them around the eyes.

Step 19

Create decorative headband: Optionally, roll a thin coil of red fondant into Betty Boop's decorative headband and place across the top edge of the hair silhouette.

Step 20

Final embellishments: Add any final touches such as a small sugar flower or edible sparkles around the base.

Step 21

Rest and serve: Allow the decorated cake to rest at room temperature for 30 minutes before slicing and serving.

Tools You'll Need

  • Electric mixer
  • Mixing bowls
  • Two 8-inch round cake pans
  • Parchment paper
  • Wire racks
  • Serrated knife
  • Offset spatula or cake scraper
  • Rolling pin
  • Fondant tools or sharp knife
  • Cake board

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains wheat and gluten
  • Contains eggs
  • Contains milk and dairy products
  • Fondant may contain traces of tree nuts; check packaging

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 690
  • Total Fat: 28 g
  • Total Carbohydrate: 104 g
  • Protein: 5 g