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Celebration Desserts

Celebrate Friendship Day With A Vibrant Rainbow Cake

solar_calendar-linear Last Updated Date & Time: Aug 19, 2026 04:15:00 PM
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Baking is a great bonding activity if you’re trying to figure out how to celebrate a special occasion like Friendship Day. This year, try this rainbow cake for Friendship Day.

Wondering how to celebrate friendship day? Baking this rainbow cake

Baking is one of those super fun activities that becomes even more exciting when you’re doing it with a friend. You can even make a day of it. Go out shopping to get all the supplies and ingredients, come home, freshen up, and take everything to the kitchen. Put on some fun music, bring out your bowls, mixers, and other tech, and get to baking. And at the end of it, enjoy a delicious cake! It’s going to be a memory you’ll cherish forever.

So here’s a detailed recipe to make a rainbow cake for Friendship Day, which is similar to the Cadbury Chocolate Cake. Bring some color into your life and make this Friendship Day special. Here at Cadbury Dessert Corner, we truly believe that the best way to the heart is through the stomach. And baking a tasty treat together is only going to amplify that effect. So stop worrying about how to celebrate Friendship Day and start baking.

Rainbow cake

Introduction to Friendship Day Rainbow Cake

As colorful as it looks, a Friendship Day rainbow cake brings in a splash of vibrant colors to the celebrations. What often seems like a regular frosted cake from the outside reveals the colorful layers when sliced. Besides how pretty it looks, the colors are also believed to represent the beauty of friendship.

Ingredients:

For the rainbow cake layers:

  • 600 gm all-purpose flour
  • 600 gm granulated sugar
  • 1 tablespoon baking powder
  • 1/2 teaspoon baking soda
  • 1 teaspoon salt
  • 6 large eggs, at room temperature
  • 360 ml vegetable oil
  • 360 ml whole milk
  • 1 tablespoon vanilla extract
  • Food coloring (red, yellow, blue, green)

For the buttercream:

  • 565 gm unsalted butter, softened
  • 1/2 teaspoon salt
  • 1200 gm confectioners’ sugar
  • 120 ml cream, room temperature
  • 2 teaspoons vanilla extract
     

>How To Make A Rainbow Cake

Rainbow cake

>Step-by-Step Instructions

  1. >Preheat the oven to 350°F/177°C. Grease two cake pans and line with parchment paper. Set aside.

  2. >In a bowl, add the flour, sugar, baking powder, baking soda, and salt. Mix well and set aside. In another bowl, add the eggs, oil, milk, and vanilla. Whisk until well combined.

  3. >Now, little by little, pour the wet ingredients into the flour mixture. First add some of it in, mix that, then add more. In this way, combine all the ingredients. Divide the batter into six bowls. Add a different color to each of the bowls, making red, orange, yellow, green, blue, and purple batters.

  4. >Pour one color batter into one pan and the same with the second. Bake these, then repeat with the next two and then the last two colors.

  5. >Bake for about 20 minutes. The exact time will depend on the machine you're using. You’ll know it's done when a toothpick inserted in the middle comes out clean.

  6. >Let the cakes cool on a wire rack while the other two bake, and so on.

  7. >While the cakes are baking, prepare the buttercream.

  8. >In a bowl, add butter and salt and beat with a handheld mixer or a stand mixer with a whisk attachment. Beat until the butter is fluffy and pale. Then add the sugar and cream. Scrape down the sides of the bowl and drop it back into the middle so that the buttercream is whisked evenly. Then add the vanilla and beat that in too. The buttercream should be light and fluffy.

  9. >Now it's time to assemble. Place one color, preferably purple, on the cake stand or serving plate. Top with an even layer of frosting. Then add the blue layer on top, and then more frosting. Repeat with green, yellow, orange, and red. Then spread the remaining frosting all over the cake layers and the sides.

  10. >Place in the fridge for an hour so it can all set.

  11. >Slice and serve.

>Storing And Serving Suggestions

>To store a Friendship Day rainbow cake, it is important to refrigerate the cake in an airtight container with its frosting intact. Make sure each of the layers is cooled well individually. Wrap the cake tightly in plastic and freeze it for 2-3 months.

>Key Ingredients & Flavor Combinations

Rainbow cake

>Essential Ingredients

>A classic multi-layer Friendship Day rainbow cake with vanilla buttercream typically takes kitchen staples such as all-purpose flour, sugar, eggs, oil, milk, baking powder, vanilla, and gel food colorings for the batter. The cream frosting is made with softened butter, confectioners' sugar, and cream.

>Flavor Variations

>While a classic rainbow cake for Friendship Day is about enjoying the vibrant, colorful layers, one may consider several flavors for the base. While vanilla is the most popular flavor, one may also consider flavors like chocolate, citrus zest, butterscotch, or berry purees to explore varieties.

>Tips & Tricks for Perfecting Your Cake

>When making the frosting for the Friendship Day rainbow cake, make sure you use naturally softened butter to cream. If the butter is cold, it will be solid and hard to beat into a properly fluffy texture. If you try to heat the cold butter, it will melt and become runny. So it's best to let the butter sit at room temperature and soften naturally before using.

>If the frosting has a grainy texture, add more cream.

>Let the cakes cool completely before you top them with the buttercream. If you add frosting to the hot cake, it will melt and become runny.

>When assembling, if the cakes are domed on top, use a knife to scrape that off so that each layer of cake is even and flat. This way the layers will be able to hold each other sturdily. Leftover cake can be stored in the fridge for about five days.

>Achieving Vibrant Colors

>To achieve the vibrant colors of the Friendship Day rainbow cake, it is primarily essential to choose the right type of dye for your medium. While the gel colors are thick and perfect for tinting buttercream, the oil-based colors are perfect for meringue buttercreams and melting chocolate.

>Frosting Techniques

>To frost a vibrant Friendship Day rainbow cake, one may simply opt for vanilla buttercream frosting and apply it in multi-colored designs like piping log, the striped cake comb scrape, and the one-bowl transition mix.

Frequently Asked Questions

Can I use natural food coloring for the cake? down-arrow

Yes. One can easily use natural food coloring for this rainbow cake for Friendship Day. However, the results will differ. While the natural and homemade colorings generally create softer pastel tones, the artificial ones create bright neon shades.

How can I make the cake eggless? down-arrow

For an eggless version, simply replace the eggs with substitutes like plain yogurt (curd), applesauce, flax eggs, or a mix of vinegar and baking soda.

What are some other occasions suitable for a rainbow cake? down-arrow

A rainbow cake is considered perfect for many fun events, including birthdays, pride celebrations, baby showers, graduations, and children's parties.