Root Beer Cupcakes are a fun twist on classic cupcakes, infused with the sweet, nostalgic flavor of root beer and topped with fluffy frosting. Perfect for parties, summer gatherings, or anytime you want a playful and flavorful treat, these cupcakes are moist, tender, and bursting with fizzy flavor. A simple recipe with big taste, they’re sure to be a hit with kids and adults alike.
Why You’ll Love This Recipe
Unique Flavor – Root beer adds a nostalgic, sweet twist to classic cupcakes.
Moist & Tender – Light, fluffy texture with a rich, flavorful crumb.
Quick & Easy – Minimal ingredients and simple steps.
Fun & Kid-Friendly – Perfect for celebrations, themed parties, or summer treats.
Ingredients
For the Cupcakes:
- 1½ cups all-purpose flour
- 1 tsp baking soda
- ¼ tsp salt
- ½ cup unsalted butter, softened
- 1 cup granulated sugar
- 2 large eggs
- ½ cup root beer (plus 1–2 tbsp extra if needed)
- 1 tsp vanilla extract
For the Frosting:
- ½ cup unsalted butter, softened
- 2 cups powdered sugar
- 2–3 tbsp root beer
- ½ tsp vanilla extract
Instructions
- Prepare the Oven
Preheat oven to 350°F (175°C) and line a muffin tin with cupcake liners. - Mix Dry Ingredients
In a bowl, whisk together flour, baking soda, and salt. - Cream Butter and Sugar
In a separate bowl, beat butter and sugar until light and fluffy. Add eggs one at a time, mixing well. Stir in vanilla extract. - Add Root Beer and Flour
Gradually add dry ingredients alternately with root beer, beginning and ending with flour, until smooth and combined. - Bake
Divide batter evenly among the cupcake liners. Bake for 18–20 minutes or until a toothpick inserted into the center comes out clean. Cool completely before frosting. - Prepare the Frosting
Beat butter until creamy, then gradually add powdered sugar. Mix in root beer and vanilla until smooth and fluffy. Adjust consistency with more powdered sugar or root beer if needed. - Frost and Serve
Pipe or spread frosting on cooled cupcakes. Serve immediately or store in an airtight container.

Nutritional Information
Calories: ~250
Protein: 2g
Fat: 12g
Carbohydrates: 34g
Sugar: 22g
Fiber: 1g
Tips for Success
- Use Flat Root Beer – Prevents excessive fizz from affecting the batter.
- Don’t Overmix – Overmixing can make cupcakes dense.
- Cool Completely Before Frosting – Ensures frosting doesn’t melt.
Why This Recipe Works
Root beer adds a subtle, sweet flavor that pairs perfectly with the tender cupcake crumb and fluffy frosting. The combination of moist cake and creamy frosting creates a nostalgic yet unique dessert that’s fun and flavorful.
Root Beer Cupcakes are a whimsical and delicious treat, perfect for any occasion. With soft, tender cake and sweet, fizzy flavor, they’re easy to make and sure to delight both kids and adults.
Root Beer Cupcakes – Sweet, Fizzy, and Deliciously Unique
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kcalMoist and tender cupcakes infused with root beer flavor, topped with creamy root beer frosting — a fun, nostalgic dessert perfect for parties or special treats.
Ingredients
For the Cupcakes:
1½ cups all-purpose flour
1 tsp baking soda
¼ tsp salt
½ cup unsalted butter, softened
1 cup granulated sugar
2 large eggs
½ cup root beer (plus 1–2 tbsp extra if needed)
1 tsp vanilla extract
For the Frosting:
½ cup unsalted butter, softened
2 cups powdered sugar
2–3 tbsp root beer
½ tsp vanilla extract
Instructions
- Prepare the Oven
Preheat oven to 350°F (175°C) and line a muffin tin with cupcake liners. - Mix Dry Ingredients
In a bowl, whisk together flour, baking soda, and salt. - Cream Butter and Sugar
In a separate bowl, beat butter and sugar until light and fluffy. Add eggs one at a time, mixing well. Stir in vanilla extract. - Add Root Beer and Flour
Gradually add dry ingredients alternately with root beer, beginning and ending with flour, until smooth and combined. - Bake
Divide batter evenly among the cupcake liners. Bake for 18–20 minutes or until a toothpick inserted into the center comes out clean. Cool completely before frosting. - Prepare the Frosting
Beat butter until creamy, then gradually add powdered sugar. Mix in root beer and vanilla until smooth and fluffy. Adjust consistency with more powdered sugar or root beer if needed. - Frost and Serve
Pipe or spread frosting on cooled cupcakes. Serve immediately or store in an airtight container.
Notes
- Use Flat Root Beer – Prevents excessive fizz from affecting the batter.
Don’t Overmix – Overmixing can make cupcakes dense.
Cool Completely Before Frosting – Ensures frosting doesn’t melt.