It’s super easy Root beer float cake is made with boxed cake mix and cold root beer soda.

It’s a fun and delicious touch to my Orange Crush Cake with a light but creamy taste of vanilla root beer in every bite.

slice of cake on white plate with cherry on top.

My kids love it when I bake them this cake. In fact, it’s so easy to make, even kids can whip it up in no time.

Root beer float cake

If you love the creamy vanilla taste of a refreshing root beer float, then you’ll love this light and fluffy cake.

Ingredients needed

Here is the basic list of ingredients you will need to make this simple Root Beer Float Cake recipe. As always, you can find the full list in the recipe card below.

  • white cake mixjust the canned mix, powder only!
  • Root beermake sure it’s cold!
  • Canola oil
  • Eggs
  • dream whipyou can find it in the pastry aisle

Ingredients for cake placed on a wooden surface with root beer.

How to make root beer cake

You only need 5 ingredients to make this light and fluffy cake! That includes frosting too!

MAKE A CAKE MIX Start by mixing the cake mix with the root beer, canola oil and eggs in a large bowl. Beat for 30 seconds, then increase the speed and continue beating for another 2 minutes. Be sure to whip in some air for a light and fluffy cake!

combine ingredients in a bowl with root beer and eggs.

BAKING CAKE Pour the cake batter into a lightly greased pan and bake at 350 degrees F. for just 30 to 35 minutes. Let the cake cool completely.

mix the cake batter in a bowl with a mixer.

You can use a stand mixer or I prefer to use a hand blender to make your cake batter and icing.

How to make root beer frosting

The best thing about this recipe is the light and fluffy two-ingredient frosting!

We use classic Dream Whip and cold root beer to make this light and fluffy cake topper.

PRO TIP: Make sure the root beer is cold and preferably still full of carbonation. This will help fluff the frosting and give it a delicious creamy taste. Similar to a root beer float!

Whipped icing in a bowl with a white cloth.

Once the cake has cooled to room temperature, you can frost it with the light and fluffy filling.

I love adding a swirl of whipped cream and cherry on top for that true Root Beer Float experience.

sliced ​​cake in pan with icing.

How to store the cake

This root beer float cake is best when stored in the refrigerator.

I like this cake pan because it comes with a handy lid that I can use to cover the cake and put it straight in the fridge.

Store the cake in the fridge for up to 3 days for optimal flavor and consistency.

Easier Summer Cake Recipes

I love to bake a cake when company comes, so any of these simple cake recipes are my favorite.

slice of cake with bite and fork.

Don’t forget to add a little whipped cream and a cherry on each slice!

This is such a fun cake for parties and summer. You will love.

slice of cake on white plate with cherry on top.

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Root beer float cake

This light and fluffy cake is made with root beer and light and fluffy cake mix and frosting that’s just two simple ingredients!

Preparation time20 minutes

Cooking time35 minutes

Total time55 minutes

Course: Dessert

Kitchen: American

Servings: 16 people

calories: 184 calories

Author: Shawn


  • 1 white cake mix, box
  • 2 ¼ cups Root beer, cold, divided
  • ¼ Chopped off canola oil, or vegetable oil
  • 2 big eggs
  • 2.6 ounces dream whip, 2 wraps (whipped topping mix)


  • Preheat oven to 350 degrees F. Lightly grease a 9×13-inch cake pan with cooking spray and set aside.

  • Combine cake mix, 1 ¼ cups cold root beer soda, canola oil and eggs in a large bowl. Beat on low speed for 30 seconds, then increase speed to medium for an additional 2 minutes. The batter should be light and fluffy.

  • Pour the cake batter into the prepared pan and bake for 30-35 minutes, until a toothpick inserted in the center comes out clean. Let the cake cool completely.


Store covered cake in refrigerator for up to 3 days.


calories: 184calories | Carbohydrates: 31g | Protein: 2g | Big: 6g | Saturated fat: 2g | Polyunsaturated fats: 1g | Monounsaturated fat: 3g | Trans fat: 1g | Cholesterol: 23mg | Sodium: 240mg | Potassium: 34mg | Fiber: 1g | Sugar: 18g | Vitamin A: 37UI | Calcium: 79mg | The iron: 1mg

Key words: cake mix, Rootbeer

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slice of cake with cherry on top.