BY VIEWCAST    UPDATED January 2, 2026

Are you ready to bring a burst of color to your birthday celebrations? We’ll walk you through making a delightful and vibrant rainbow birthday cake that will wow your guests and satisfy your taste buds! Whether you’re a novice or an experienced baker, you can follow these simple steps to create a cake that looks as good as it tastes.
Start by gathering your ingredients. Here's what you will need:
Start by preheating your oven to 350°F (175°C). Grease and flour six 8-inch round cake pans. If you don’t have six pans, you can bake in batches.
In a medium bowl, whisk together the flour, baking powder, baking soda, and salt. Set aside.
In a large mixing bowl, cream the butter and sugar together until light and fluffy. This usually takes about 3-4 minutes.
Beat in the eggs one at a time, ensuring each egg is fully incorporated before adding the next. Add the vanilla extract and mix well.
Gradually add the dry ingredients to the butter mixture, alternating with the buttermilk. Begin and end with the dry ingredients, mixing only until just combined.
Divide the batter evenly into six bowls. Add a different food coloring to each bowl, and mix until you reach your desired shade.
Pour each colored batter into the prepared cake pans. Bake for 15-17 minutes, or until a toothpick inserted into the center comes out clean. Let the cakes cool in the pans for 10 minutes before transferring them to a wire rack to cool completely.
Once the cakes are completely cool, use a serrated knife to level the tops if necessary.
Start with the purple layer. Spread an even layer of frosting on top. Add the blue layer and repeat the process with green, yellow, orange, and finally red.
Apply a crumb coat (a thin layer of frosting) to the entire cake. This helps trap any loose crumbs. Chill the cake for 30 minutes, then add the final layer of frosting to achieve a smooth finish.
Yes, you can use a box cake mix to save time. Just divide the batter evenly into six bowls and color them accordingly.
Vanilla or cream cheese frosting pairs well with the rainbow cake. It provides a creamy texture and complements the vibrant colors.
Of course! You can bake the cake layers a day in advance. Just wrap them tightly in plastic wrap and store them at room temperature. You can also frost the cake the day before and store it in the refrigerator.
Gel food coloring produces more intense colors compared to liquid food coloring. A little goes a long way, so start with a small amount and add more if needed.
With these simple steps, you'll be able to create a stunning rainbow birthday cake that will be the highlight of any celebration. Happy baking!
Cooking Rainbow Birthday Cake is primarily a mobile app designed for smartphones. However, you can run Cooking Rainbow Birthday Cake on your computer using an Android emulator. An Android emulator allows you to run Android apps on your PC. Here's how to install Cooking Rainbow Birthday Cake on your PC using Android emuator:
Visit any Android emulator website. Download the latest version of Android emulator compatible with your operating system (Windows or macOS). Install Android emulator by following the on-screen instructions.
Launch Android emulator and complete the initial setup, including signing in with your Google account.
Inside Android emulator, open the Google Play Store (it's like the Android Play Store) and search for "Cooking Rainbow Birthday Cake."Click on the Cooking Rainbow Birthday Cake app, and then click the "Install" button to download and install Cooking Rainbow Birthday Cake.
You can also download the APK from this page and install Cooking Rainbow Birthday Cake without Google Play Store.
You can now use Cooking Rainbow Birthday Cake on your PC within the Anroid emulator. Keep in mind that it will look and feel like the mobile app, so you'll navigate using a mouse and keyboard.

