Root Beer Cupcakes with Cake Mix
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My Root Beer Cupcakes are easy because they are made with cake mix. They are soft, fluffy, and topped with the creamiest root beer float frosting. These nostalgic cupcakes taste like a soda‑shop treat and come together with simple pantry ingredients. Perfect for parties, birthdays, and anyone who loves a fun twist on classic chocolate cupcakes.
You can make so many delicious cupcakes with soda. Try my Grape Soda Cupcakes and my Cream Soda Cupcakes from Cake Mix. They are super moist and delicious.
Why this Root Beer Float Cupcakes Recipe Works
These Root Beer Float Cupcakes deliver all the nostalgic charm of the classic soda‑shop treat with almost zero fuss. Starting with a cake mix keeps things simple, while the root beer adds that unmistakable creamy‑spiced flavor everyone loves. They’re fun, reliable, and always a hit.
- Fun, nostalgic flavor: Root beer adds that classic soda‑shop sweetness without extra steps.
- Starts with a cake mix: Reliable texture, minimal measuring, and perfect for busy bakers.
- Kid‑friendly and party‑ready: The cherry‑and‑straw topper makes them look like mini root beer floats.
- Easy homemade frosting: Just a few pantry staples plus root beer for a flavor that matches the cupcakes.
- Consistent results: The batter mixes smoothly, bakes evenly, and stays moist thanks to the soda.
Can I Taste the Root Beer in the Root Beer Cupcakes?
Yes , the flavor is subtle but unmistakable. It’s more of a creamy, nostalgic sweetness than a strong soda taste. The frosting boosts the root beer flavor even more
What Reader’s Are Saying…
⭐⭐⭐⭐⭐
“Thank you so much for sharing this amazing cupcake recipe! Will surely have this again! It’s really easy to make and it tasted so delicious! Highly recommended!”
~ Allyssa
Ingredient Notes to Make Root Beer Cupcakes
These soda pop cupcakes take on a few minutes to make and uses simple and delicious ingredients.
Get the full printable recipe with specific measurements and directions in the recipe card below.
- Chocolate Cake Mix: The base of the recipe, it gives you a consistent, fluffy cupcake with minimal measuring. The chocolate pairs beautifully with the creamy root beer flavor.
- Eggs and Oil: Bind the batter and help the cupcakes rise with structure so they’re soft but not crumbly. Adds moisture and tenderness. Since soda can lighten the batter, the oil keeps the cupcakes rich and soft.
- Root Beer Soda: The star flavor! It adds sweetness, moisture, and a subtle soda‑shop nostalgia. The carbonation also helps the cupcakes rise.
Variations and Substitutions to Bake the Cupcakes
I love to take a simple recipe and use it as a jump point to make it my own by using different substitutions and variations. You can decorate with root beer frosting and a root beer barrel. Great for people that like root beer.
- Cream Cupcakes: Swap root beer for cream soda for a lighter, vanilla‑forward flavor with a cream cheese frosting.
- Root Beer Float Version: Use vanilla cake mix instead of chocolate for a tasty root beer float cupcake.
- Use Real Root Beer Extract: You can use root beer syrup. Add ½ teaspoon root beer concentrate or root beer extract to the batter or frosting. The root beer extract will really up the root beer flavoring.
- Oil: Melted butter works for richer cupcakes.
- Half & Half: Whole milk or heavy cream both work in the frosting.
- Cake Mix: Any chocolate variety (devil’s food, dark chocolate, German chocolate) works well. Use white cake mix for the delicious root beer cupcakes.
Special Equipment Needed for Delicious Cupcakes
- Standard Muffin Tin: Holds the cupcake liners and ensures the batter bakes evenly into perfectly domed cupcakes.
- Cupcake Liners: Prevent sticking, make cleanup easier, and help the cupcakes hold their shape — especially important with a soda‑based batter that stays extra moist.
- Cooling Rack: Allows air to circulate under the cupcakes so they cool quickly and don’t become soggy on the bottom.
- Piping Bag and Large Round Tip: Gives you that classic soda‑shop swirl of frosting that makes these look like mini root beer floats.
- Paper Straws and Maraschino Cherries: Not equipment in the traditional sense, but they complete the “delicious root beer float cupcakes” look and make the easy root beer cupcakes instantly party‑ready.
How to Make Root Beer Float Cupcakes with Root Beer Buttercream
This root beer cupcakes recipe is a quick and easy dessert that tastes just like a classic root beer float. Starting with cake mix keeps the recipe simple, and the root beer adds a fun vintage flavor that everyone loves.
Get the full printable recipe with specific measurements and directions in the recipe card below.
- Mix the Batter: Preheat the oven to 350°F and spray or line a standard muffin tin. Add the cake mix to a large bowl, then mix in the oil, eggs, and root beer on medium speed until fully combined.
- Bake the cupcakes: Fill each muffin cup about ⅔ full. Bake for 18–20 minutes, or until a toothpick comes out clean. Cool completely before frosting.
- Make the frosting: In a large bowl, beat the butter until light and fluffy (about 2 minutes). In a separate cup, stir together the milk (or half‑and‑half) with the root beer — this keeps the frosting from breaking. Slowly add the powdered sugar, 1 cup at a time, alternating with a splash of the milk‑soda mixture, until the frosting is smooth and creamy.
- Frost and decorate: Fill a piping bag with the frosting and swirl it onto each cooled cupcake. Top with a maraschino cherry on top and a mini straw for that classic root‑beer‑float look. Makes 24 cupcakes.
Prep Ahead Suggestions to Make the Cake Batter and Frosting
When planning a party, there are always steps that you want to do in advance so you can get ahead. Here are a few things you can do for this tasty root beer cupcake with buttercream frosting.
- Make frosting ahead: Store in the fridge up to 3 days; bring to room temp and re‑whip before piping.
- Decorate day‑of: The cherries and straws look best added just before serving.
- Bake: Bake the cupcakes a day or two in advance. Store in an airtight container.
Alternate Cooking Methods to Love this Recipe
There are always ways to make the cupcakes in different ways.
- Air Fryer: Fill silicone cupcake liners halfway. Air fry at 300°F for 10–12 minutes, checking early since air fryers vary.
- Mini Cupcakes: Bake at 350°F for 10–12 minutes. Makes ~48 minis.
- 9×13 Cake: Pour batter into a greased pan. Bake at 350°F for 22–28 minutes or until a toothpick comes out clean.
How to Store and Use Leftovers
- Storing: Unfrosted cupcakes: 3–4 days at room temp, airtight. Frosted cupcakes: 2–3 days in the fridge; bring to room temp before serving.
- Leftovers: Here are a few great ideas:
- Root Beer Cupcake Trifles: Layer crumbled cupcakes with whipped cream and cherries.
- Cake Pops: Mix crumbs with a spoonful of frosting, roll, dip in chocolate.
- Ice Cream Sundae Toppers: Crumble over vanilla ice cream for a root‑beer‑float vibe.
- Milkshake Mix‑In: Blend a cupcake into a vanilla milkshake.
Questions About This Root Beer Flavored Cupcakes Recipe
Using soda alone can break the frosting; combining it with milk stabilizes it.
It is not recommended as it might change the texture and rise for the cake.
Expert Tips for Making Soda Cupcakes
If you love root beer floats, you can make this great recipe.
- Don’t overfill: Stick to ⅔ full for perfect domes.
- Temp: Room‑temperature ingredients = smoother batter.
- Stabilize the frosting: Add powdered sugar gradually and stop once it’s creamy and pipeable.
- Let cupcakes cool fully: Warm cupcakes will melt the frosting.
- For cleaner piping: Chill frosting for 10 minutes before filling the piping bag.
- Add the soda slowly: Too much carbonation at once can make the batter bubbly and uneven.
- Serve this recipe with a scoop of Ice Cream or: Hot Cocoa Cookies and my Copy Cat Shamrock Shake.
More Recipes You Might Like
Root Beer Float Cupcakes
Equipment
- Cupcake Liners
Ingredients
Cupcakes
- 1 Chocolate cake mix
- ⅓ cup Vegetable oil
- 3 Large eggs
- 1 ¾ cups Root beer soda
Frosting
- 1 cup Salted butter, 2 sticks, softened
- 4 cups Powdered sugar
- 1 tablespoon Half and Half ,
- 2 tablespoons Root Beer Soda
- Paper straws, optional
Instructions
Cupcakes
- Preheat the oven to 350 degrees. Spray or line a standard muffin tin.
- Using a hand or stand mixer, add in your oil, eggs, and soda, and mix on medium until well incorporated.
- Add batter into the muffin tin until each is about 2/3 full. Bake for 18-20 minutes, or until a toothpick comes out clean. Allow to cool completely before frosting.
Frosting
- In a large mixing bowl, using an electric hand or stand mixer, cream the butter, and beat until light and fluffy (about 2 minutes).
- Slowly mix in the powdered sugar, 1 cup at a time, while adding a bit of the liquid mixture in between each cup. Continue to mix for 1 minute or until creamy.
- Prepare a piping bag and fill the bag with frosting and frost your cupcakes. Add your maraschino cherry and straw if desired. Enjoy! Makes 24 cupcakes.
Christina’s Notes
- Room Temperature Soda: Let the root beer sit for a few minutes so it is not overly fizzy when mixing.
- Do Not Overmix: Mix just until the batter is combined to keep cupcakes light and fluffy.
- Fill Liners Evenly: Fill cupcake liners about two-thirds full for the best shape.
- Cool Completely: Frost only after cupcakes have cooled fully.
For more helpful information about this recipe, such as variations, substitutions and other pro-tips, scroll up on the page.
