Colorful Princess Cake

Colorful Princess Cake is a medium Western recipe that serves 8. 350 calories per serving.

Prep: 55 min | Cook: 35 min | Total: 1 hr 45 min

Cost: $19.85 total, $2.48 per serving

Ingredients

  • 3 large Eggs (room temperature)
  • 1 cup Granulated Sugar (200 g)
  • 1 cup Milk (240 ml, whole or 2%)
  • 1.5 cups All-Purpose Flour (190 g, sifted)
  • 2 tsp Vanilla Extract (pure)
  • 1/2 cup Sprinkles (rainbow, for batter and decoration)
  • 1 cup Unsalted Butter (227 g, softened)
  • 3 cups Powdered Sugar (360 g, sifted)
  • 1/2 cup Heavy Cream (120 ml, chilled)
  • 2 tbsp Gelatin Powder (about 20 g, unflavored)
  • 1/2 cup Water (for blooming gelatin)
  • as needed Food Coloring (gel colors of choice)
  • 1 cup Fruit Jam (strawberry or mixed‑fruit)
  • 1 cup Whipping Cream (for filling, lightly sweetened)
  • 1/2 cup Melted Chocolate (semi‑sweet, for drizzling)
  • 2 cups Fresh Fruit (orange, grapes, kiwi, watermelon) (peeled and diced for garnish)
  • as needed Fondant Pieces (pre‑shaped decorative shapes)

Instructions

  1. Prepare the Vanilla Sponge Batter

    Crack the eggs into a mixing bowl, add the granulated sugar, milk, sifted flour and vanilla extract. Whisk or use an electric mixer on medium speed until the batter is smooth and glossy. Fold in the rainbow sprinkles gently so they are evenly distributed.

    Time: PT5M

  2. Bake the Cake Layers

    Pour the batter into a greased 9‑inch round cake mold. Bake in a pre‑heated oven at 350°F for 30 minutes, or until a toothpick inserted in the center comes out clean. Let the cake cool in the pan for 10 minutes, then turn out onto a cooling rack to cool completely.

    Time: PT30M

    Temperature: 350°F

  3. Make Rainbow Jelly Cubes

    In a small bowl, sprinkle the gelatin powder over 1/2 cup cold water and let it bloom for 5 minutes. Transfer to a saucepan and heat over low‑medium heat, stirring until fully dissolved (about 5 minutes). Add a few drops of food coloring to create different shades. Pour the colored gelatin into a shallow tray or silicone mold and refrigerate for 30 minutes until set. Cut into small cubes.

    Time: PT40M

  4. Prepare the Buttercream Frosting

    In a mixing bowl, beat the softened unsalted butter on medium speed until creamy. Gradually add the sifted powdered sugar, beating after each addition. Mix in the vanilla extract and heavy cream, and continue beating until the frosting is light and fluffy.

    Time: PT10M

  5. Slice the Cake and Level

    Using a serrated knife, level the top of the cooled cake if needed and cut it horizontally into two even layers.

    Time: PT5M

  6. Assemble the Cake

    Place the bottom layer on a serving plate. Spread a thin layer of fruit jam over the surface, then add a dollop of whipped cream. Place the second cake layer on top. Using an offset spatula, spread a thin crumb coat of buttercream over the entire cake and chill for 10 minutes to set.

    Time: PT10M

  7. Apply Final Buttercream and Decorate

    Apply a smooth layer of buttercream over the chilled crumb‑coated cake. Pipe colorful buttercream ribbons around the edges, add sprinkles, arrange the rainbow jelly cubes, drizzle melted chocolate, and place fondant shapes and fresh fruit pieces as desired. Finish with a final drizzle of chocolate for shine.

    Time: PT15M

  8. Set the Finished Cake

    Refrigerate the fully decorated cake for at least 30 minutes before serving so the decorations set and the buttercream firms up.

    Time: PT30M

Nutrition Facts

Calories
350
Protein
5 g
Carbohydrates
45 g
Fat
18 g
Fiber
1 g

Dietary info: Contains dairy, Contains gluten, Contains gelatin (non‑vegetarian)

Allergens: Eggs, Dairy, Gluten, Gelatin

Last updated: April 18, 2026

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Colorful Princess Cake

A fun, vibrant layered cake inspired by whimsical cartoon characters. Light vanilla sponge layers are filled with fruit jam and whipped cream, frosted with smooth buttercream, and decorated with rainbow jelly cubes, sprinkles, melted chocolate, fondant shapes and fresh fruit. Perfect for birthday parties, themed celebrations or a playful dessert for kids.

MediumWesternServes 8

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
1h 55m
Prep
30m
Cook
17m
Cleanup
2h 42m
Total

Cost Breakdown

$19.85
Total cost
$2.48
Per serving

Critical Success Points

  • Baking the cake layers for the correct time and temperature
  • Setting the gelatin jelly cubes properly
  • Smoothing the buttercream without cracks

Safety Warnings

  • Handle the hot oven and baking pan with oven mitts
  • Do not let boiling gelatin splash; it can cause burns
  • Use a sharp knife carefully when slicing the cake
  • Melted chocolate is very hot; stir slowly and keep away from skin

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of a rainbow princess cake in Western celebration cuisine?

A

Rainbow or princess‑themed cakes have become popular in Western birthday and party culture, especially for children, as a way to create a whimsical, fairy‑tale atmosphere. The bright colors and decorative elements draw from carnival and confectionery traditions that celebrate joy and imagination.

cultural
Q

What are the traditional regional variations of a princess cake within Western dessert traditions?

A

In the United States, princess cakes often feature vanilla sponge, buttercream, and colorful sprinkles, while in the United Kingdom a similar “princess cake” may include jam layers and marzipan. Scandinavian versions sometimes incorporate lingonberry jam and almond paste for a Nordic twist.

cultural
Q

How is a rainbow princess cake traditionally served in Western birthday celebrations?

A

It is typically presented as a whole tiered cake on a decorative stand, sliced at the table for guests, and accompanied by party plates, napkins, and sometimes a matching themed cake topper such as a princess figurine or crown.

cultural
Q

What occasions or celebrations is a rainbow princess cake traditionally associated with in Western culture?

A

Birthday parties for children, princess‑themed birthday parties, baby showers, and sometimes holiday celebrations like Halloween (with bright colors) or Easter (with pastel hues).

cultural
Q

What makes a rainbow princess cake special or unique in Western cake‑making tradition?

A

The combination of vivid colored buttercream, gelatin jelly cubes, and playful decorations creates a multi‑textured, visually striking dessert that goes beyond a simple vanilla cake, offering both taste and a fun, interactive visual experience.

cultural
Q

What are the most common mistakes to avoid when making a rainbow princess cake?

A

Over‑mixing the batter, under‑baking the sponge, not allowing the gelatin to fully set, and letting the buttercream become too warm while piping can all lead to a dense cake, soggy layers, or cracked frosting.

technical
Q

Why does this rainbow princess cake recipe use gelatin for jelly cubes instead of agar‑agar?

A

Gelatin provides a soft, melt‑in‑mouth texture that mimics traditional candy jelly used in Western cake decorations, whereas agar‑agar creates a firmer, more rubbery bite that is less common in classic party cakes.

technical
Q

Can I make the rainbow princess cake ahead of time and how should I store it?

A

Yes. Bake and cool the sponge layers, make the buttercream and jelly cubes, and store each component separately in the refrigerator. Assemble the cake up to the final frosting a day ahead, keep it covered, and add fresh fruit and final decorations just before serving.

technical
Q

What does the YouTube channel Unknown specialize in?

A

The YouTube channel Unknown focuses on whimsical, character‑driven cooking tutorials that blend storytelling with step‑by‑step dessert creation, often featuring colorful cakes, candy crafts, and playful food challenges for kids and families.

channel
Q

How does the YouTube channel Unknown's approach to cake decorating differ from other dessert channels?

A

Unknown emphasizes a narrative‑driven format with animated characters and spontaneous improvisation, using bold colors, gelatin decorations, and rapid‑fire editing, whereas many other channels prioritize technique precision and classic pastry fundamentals.

channel

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