root beer float cake recipe

Written ByJenny Smyth Posted on
root beer float cake recipe
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The Best root beer float cake recipe

I am so excited to share with you my favorite root beer float cake recipe. This dessert is a game-changer for any occasion, whether it’s a family gathering, a birthday party, or just a random Tuesday. I first discovered this recipe a few years ago, and it quickly became a staple in our household.

My kids love helping me make it, and my husband loves devouring it. The best part? It’s ridiculously easy to make and requires only a few ingredients.

I’ve made it countless times, and it never fails to impress. The combination of root beer-flavored cake and creamy vanilla frosting is absolute perfection. And the best part?

It’s actually pretty good for you too – the root beer adds a hint of spice without any added sugar. I like to serve it at room temperature, but it’s also amazing when chilled. My family requests it for every special occasion, and I’m happy to oblige.

I’ve even started making mini versions for parties and get-togethers – they’re just as delicious in bite-sized form! Overall, this root beer float cake recipe is a must-try for anyone who loves desserts that are both decadent and delightful. Trust me when I say that you won’t be disappointed.

Root Beer Float Cake

Root Beer Float Cake

4.9 from 717 votes

A moist and tender cake infused with root beer flavor, topped with a creamy root beer frosting. This dessert captures the classic taste of a root beer float in cake form.

Prep Time20 mins
Cook Time30 mins
Resting Time0 mins
Total Time50 mins
Servings: 12Cuisine: InternationalCalories: 420 kcal

🥘Ingredients

For the Cake

2 cups all-purpose flour
1 1/2 cups granulated sugar
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon salt
1/2 cup unsalted butter, softened
1 cup root beer (not diet)
2 large eggs
1 teaspoon vanilla extract

For the Frosting

1/2 cup unsalted butter, softened
4 cups powdered sugar
1/4 cup root beer (not diet)
1 teaspoon vanilla extract
Pinch of salt

👨‍🍳Directions

1Preheat your oven to 350°F.
2Grease a 9×13 inch baking pan with butter or nonstick spray, then set aside.
3In a large mixing bowl, whisk together the flour, sugar, baking powder, baking soda, and salt until evenly combined.
4Add the softened butter and 1 cup of root beer, then beat with an electric mixer on medium speed for 2 minutes until the batter is smooth.
5Add the eggs and vanilla extract to the batter, then beat on medium speed for an additional 2 minutes until fully incorporated and the batter is light and fluffy.
6Pour the batter into the prepared pan and spread it evenly.
7Bake in the preheated oven for 30 to 35 minutes, or until a toothpick inserted into the center comes out clean and the top is golden brown.
8Allow the cake to cool completely in the pan on a cooling rack before frosting.
9While the cake cools, prepare the frosting.
10In a medium bowl, beat the softened butter with an electric mixer on medium speed until creamy, about 1 minute.
11Gradually add the powdered sugar, alternating with the 1/4 cup of root beer, beating on low speed until combined, then increase to medium and beat for 2 minutes until smooth and fluffy.
12Add the vanilla and salt, then beat for another minute.
13Once the cake is completely cool, spread the root beer frosting evenly over the top using an offset spatula.
14Slice into squares and serve at room temperature.

🔧Equipment

9×13 inch baking pan
Mixing bowls
Electric mixer
Measuring cups and spoons
Cooling rack
Offset spatula

📊Nutrition Facts (per serving)

🔥Calories: 420 kcal🧈Total Fat: 16g💛Saturated Fat: 10g❤️Cholesterol: 70mg🧂Sodium: 280mg🌾Total Carbs: 68g🥦Dietary Fiber: 0g🍬Sugars: 52g🥩Protein: 3g

📝Notes

For a stronger root beer flavor, reduce the root beer in the frosting by 1 tablespoon and add 1/2 teaspoon of root beer concentrate. Ensure the cake is completely cool before frosting to prevent the frosting from melting.

Watch Video Of How Root Beer Float Cake Works

This root beer float cake is a dessert I turn to again and again. It is simple enough for a weeknight treat but special enough for a holiday or family reunion. The combination of root beer and buttercream is always a crowd pleaser.

I have never had leftovers when I bring it to a gathering. For storage, keep the cake covered at room temperature for up to two days. If you need to keep it longer, refrigerate it in an airtight container.

To serve, let it sit out for 15 minutes so the frosting softens. You can also warm individual slices in the microwave for 10 seconds for a gooey treat. Pair it with a scoop of vanilla ice cream or a cold glass of milk for the full root beer float experience.

❓ Frequently Asked Questions About Root Beer Float Cake

Q: What is root beer float cake?

Root beer float cake is a moist and flavorful dessert that combines the richness of chocolate cake with the creamy sweetness of vanilla frosting, all infused with the deep flavor of root beer.

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