Why Make This Recipe
Root Beer Float Cupcakes are a fun and tasty twist on the classic root beer float. They combine the rich flavors of chocolate and root beer into a moist cupcake topped with a creamy frosting. Perfect for parties, celebrations, or just a sweet treat at home, these cupcakes bring a sense of nostalgia and delight to anyone who tries them. Plus, they are simple to make, ensuring that both beginner and experienced bakers will enjoy the process.
How to Make Root Beer Float Cupcakes
Ingredients:
- 1 cup all-purpose flour
- 1 cup sugar
- 1/2 cup cocoa powder
- 1 teaspoon baking soda
- 1/2 teaspoon baking powder
- 1/2 teaspoon salt
- 1 egg
- 1/2 cup buttermilk
- 1/2 cup high-quality root beer
- 1/4 cup vegetable oil
- 1 teaspoon vanilla extract
- 1 cup (two sticks) unsalted butter, softened
- 4 1/2 cups powdered sugar
- 1/4 cup heavy cream, room temperature
- 2 teaspoons vanilla extract
- 2 teaspoons root beer concentrate
- 1/8 teaspoon salt
Directions:
- Preheat the oven to 350°F. Line a muffin tin with liners.
- In a large bowl, sift together the flour, sugar, cocoa powder, baking soda, baking powder, and salt.
- In a second bowl, whisk the egg, buttermilk, root beer, vegetable oil, and vanilla until well combined.
- Add the wet ingredients to the dry ingredients and stir until very well mixed.
- Pour the batter into the cupcake liners.
- Bake for 15-18 minutes, or until a toothpick inserted into the middle comes out clean.
- While the cupcakes are baking, make the buttercream. Beat the softened butter with a hand mixer or in a stand mixer with a paddle attachment until smooth and creamy.
- Gradually add the powdered sugar, heavy cream, vanilla extract, and root beer concentrate to the butter. Beat the frosting until it becomes fluffy, about 2-3 minutes. Add salt and mix well.
- Once the cupcakes are completely cool, pipe the buttercream onto each cupcake. Serve and enjoy!

How to Serve Root Beer Float Cupcakes
These cupcakes are best served at room temperature. You can serve them on a dessert platter at parties or enjoy them freshly made with a scoop of vanilla ice cream on the side for that true float experience. They also make a great treat to share with friends and family!
How to Store Root Beer Float Cupcakes
To store the cupcakes, keep them in an airtight container at room temperature for up to 3 days. If you want them to last longer, you can refrigerate them for up to a week. Just remember to let them come to room temperature before serving for the best flavor and texture.
Tips to Make Root Beer Float Cupcakes
- Make sure to use high-quality root beer for the best taste.
- Allow the cupcakes to cool completely before frosting to prevent the buttercream from melting.
- If you want to add some extra flair, sprinkle some chocolate shavings or root beer-flavored candies on top of the frosting.
Variation
You can experiment with different toppings, such as crushed cookies or even a drizzle of chocolate syrup, to enhance the flavor and presentation of your cupcakes. If you’re feeling adventurous, you could even try replacing the cocoa powder with a different flavor, like vanilla or spice cake mix!
FAQs
1. Can I use regular milk instead of buttermilk?
Yes, you can use regular milk. For a buttermilk substitute, mix 1/2 cup of milk with 1/2 tablespoon of vinegar or lemon juice and let it sit for a few minutes.
2. Can I freeze these cupcakes?
Yes, you can freeze the cupcakes without frosting for up to 3 months. Just let them cool completely, wrap them well, and store in an airtight container.
3. How can I make the frosting a little stiffer?
If your frosting is too soft, simply add more powdered sugar a little at a time until you reach your desired consistency.

Root Beer Float Cupcakes
Ingredients
For the cupcakes
- 1 cup all-purpose flour
- 1 cup sugar
- 1/2 cup cocoa powder
- 1 teaspoon baking soda
- 1/2 teaspoon baking powder
- 1/2 teaspoon salt
- 1 large egg
- 1/2 cup buttermilk
- 1/2 cup high-quality root beer Use high-quality root beer for the best taste.
- 1/4 cup vegetable oil
- 1 teaspoon vanilla extract
For the frosting
- 1 cup unsalted butter softened (two sticks)
- 4 1/2 cups powdered sugar
- 1/4 cup heavy cream room temperature
- 2 teaspoons vanilla extract
- 2 teaspoons root beer concentrate
- 1/8 teaspoon salt
Instructions
Preparation
- Preheat the oven to 350°F. Line a muffin tin with liners.
- In a large bowl, sift together the flour, sugar, cocoa powder, baking soda, baking powder, and salt.
- In a second bowl, whisk the egg, buttermilk, root beer, vegetable oil, and vanilla until well combined.
- Add the wet ingredients to the dry ingredients and stir until very well mixed.
- Pour the batter into the cupcake liners.
Baking
- Bake for 15-18 minutes, or until a toothpick inserted into the middle comes out clean.
Frosting
- While the cupcakes are baking, make the buttercream. Beat the softened butter with a hand mixer or in a stand mixer with a paddle attachment until smooth and creamy.
- Gradually add the powdered sugar, heavy cream, vanilla extract, and root beer concentrate to the butter. Beat the frosting until it becomes fluffy, about 2-3 minutes.
- Add salt and mix well.
Assembly
- Once the cupcakes are completely cool, pipe the buttercream onto each cupcake. Serve and enjoy!