Classic Soda Float Sheet Cake

Featured in: Sweet Inspirations

This cake captures the playful spirit of an ice cream soda float, blending light, fluffy layers with a creamy, soda-infused frosting. Cream soda or root beer adds a unique twist, complemented by rich butter and a hint of vanilla. Toppings like maraschino cherries and rainbow sprinkles add festive flair, while whipped cream and optional ice cream pairings enhance the sweetness. Simple steps, everyday ingredients, and easy mixing make this treat ideal for parties or casual indulgence. Keep leftovers covered for freshness and savor a classic American dessert tradition in every bite.

Updated on Thu, 30 Oct 2025 16:18:00 GMT
Classic Soda Float Sheet Cake topped with creamy frosting and vibrant maraschino cherries.  Save
Classic Soda Float Sheet Cake topped with creamy frosting and vibrant maraschino cherries. | snacksplat.com

A nostalgic sheet cake inspired by the flavors of a classic ice cream soda float, combining a light airy cake with creamy soda-flavored frosting. Perfect for dessert lovers who crave a fun twist on traditional sheet cake recipes.

I remember baking this cake for a family birthday party and everyone loved the surprise of its old-fashioned soda shop taste. The creamy frosting paired with the soft cake brought back sweet childhood memories.

Ingredients

  • All-purpose flour: 2 1/2 cups (315 g)
  • Granulated sugar: 1 1/2 cups (300 g)
  • Baking powder: 2 tsp
  • Baking soda: 1/2 tsp
  • Fine salt: 1/2 tsp
  • Soda (cream soda or root beer, chilled and flat): 1 cup (240 ml) for cake, 1/4 cup (60 ml) for frosting
  • Unsalted butter: 3/4 cup (170 g) melted and cooled for cake, 1/2 cup (115 g) softened for frosting
  • Large eggs: 3 at room temperature
  • Vanilla extract: 2 tsp for cake, 1/2 tsp for frosting
  • Powdered sugar: 3 cups (360 g) sifted
  • Heavy cream: 1/4 cup (60 ml)
  • Pinch of salt: for frosting
  • Optional toppings: Maraschino cherries, Rainbow sprinkles, Whipped cream

Instructions

Prepare the pan:
Preheat the oven to 350°F (175°C). Grease and line a 9x13-inch (23x33 cm) sheet pan with parchment paper.
Mix dry ingredients:
In a large bowl whisk together flour, sugar, baking powder, baking soda and salt.
Mix wet ingredients:
In a separate bowl whisk together soda, melted butter, eggs and vanilla extract until well combined.
Combine batter:
Add the wet ingredients to the dry ingredients and mix gently until just combined. Do not overmix.
Bake:
Pour the batter into the prepared pan and smooth the top. Bake for 28–32 minutes or until a toothpick inserted in the center comes out clean.
Cool:
Cool the cake completely in the pan on a wire rack.
Make frosting:
For the frosting beat the softened butter until creamy then gradually add powdered sugar. Mix in soda heavy cream vanilla and salt. Beat until light and fluffy.
Frost and garnish:
Spread the frosting evenly over the cooled cake. Garnish with maraschino cherries sprinkles and dollops of whipped cream if desired. Slice and serve.
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This cake is always a hit with my family, especially when we add extra whipped cream and sprinkles for a fun soda shop vibe. Making it together is a sweet way to celebrate birthdays and weekend gatherings.

Required Tools

Use a 9x13-inch (23x33 cm) sheet pan, mixing bowls, whisk, electric mixer for frosting and a spatula for spreading.

Allergen Information

Contains wheat (gluten), eggs and dairy (milk, butter, heavy cream). Make sure to check soda and toppings for potential allergens if using different brands.

Nutritional Information

Each serving has 390 calories, 17 g total fat, 58 g carbohydrates and 4 g protein.

A delightful Classic Soda Float Sheet Cake, perfect for summer dessert gatherings.  Save
A delightful Classic Soda Float Sheet Cake, perfect for summer dessert gatherings. | snacksplat.com

Serve chilled with your favorite toppings for a trip down memory lane. This cake is sure to create smiles and sweet moments at any dessert table.

Recipe Guide

How does soda affect the cake's texture?

The soda makes the cake light and airy, adding subtle flavor and contributing to a tender crumb.

Can I use root beer instead of cream soda?

Absolutely! Both sodas work well and each offers its own nostalgic flavor to the dessert.

Should the soda be flat for baking?

Yes, flat soda blends better into the batter and frosting, preventing extra bubbles or unwanted texture.

What toppings can I add for extra flair?

Maraschino cherries, rainbow sprinkles, and whipped cream all add color and a playful touch.

How do I store leftovers?

Keep covered at room temperature for up to two days. Refrigerate for longer freshness if desired.

Is this dessert suitable for vegetarians?

Yes, all listed ingredients fit a vegetarian diet. Check soda and garnishes for hidden additives.

Classic Soda Float Sheet Cake

Airy sheet cake paired with creamy soda frosting for a delightful nostalgic dessert.

Prep duration
20 min
Kitchen time
30 min
Complete duration
50 min
Created by Katie Miller


Skill level Easy

Heritage American

Output 12 Portions

Nutrition Labels Meat-free

What you'll need

Dry Ingredients

01 2 1/2 cups all-purpose flour
02 1 1/2 cups granulated sugar
03 2 teaspoons baking powder
04 1/2 teaspoon baking soda
05 1/2 teaspoon fine salt

Wet Ingredients

01 1 cup cream soda or root beer, chilled and flat
02 3/4 cup unsalted butter, melted and cooled
03 3 large eggs, at room temperature
04 2 teaspoons vanilla extract

Frosting

01 1/2 cup unsalted butter, softened
02 3 cups powdered sugar, sifted
03 1/4 cup cream soda or root beer, chilled and flat
04 1/4 cup heavy cream
05 1/2 teaspoon vanilla extract
06 Pinch of salt

Optional Toppings

01 Maraschino cherries
02 Rainbow sprinkles
03 Whipped cream

Method

Step 01

Prepare oven and pan: Preheat oven to 350°F. Grease and line a 9x13-inch sheet pan with parchment paper.

Step 02

Mix dry ingredients: In a large mixing bowl, whisk together all-purpose flour, granulated sugar, baking powder, baking soda, and salt until evenly combined.

Step 03

Combine wet ingredients: In a separate bowl, whisk cream soda or root beer, melted butter, eggs, and vanilla extract until smooth.

Step 04

Form the batter: Add the wet mixture to the dry ingredients and gently mix until just incorporated. Avoid overmixing for best texture.

Step 05

Transfer and bake: Pour batter into the prepared sheet pan and level the surface. Bake for 28 to 32 minutes until a toothpick inserted in the center comes out clean.

Step 06

Cool the cake: Let the baked cake cool completely in the pan on a wire rack before frosting.

Step 07

Prepare frosting: Beat softened butter with an electric mixer until creamy. Gradually add sifted powdered sugar, then blend in cream soda or root beer, heavy cream, vanilla extract, and salt. Continue to beat until light and fluffy.

Step 08

Frost the cake: Spread the prepared soda frosting evenly over the cooled cake surface.

Step 09

Add toppings: Garnish with maraschino cherries, rainbow sprinkles, and dollops of whipped cream as desired.

Step 10

Slice and serve: Cut into portions and serve immediately.

Kitchen tools

  • 9x13-inch sheet pan
  • Mixing bowls
  • Whisk
  • Electric mixer
  • Spatula

Allergy details

Always review ingredients for potential allergens and seek professional medical guidance if uncertain.
  • Contains wheat (gluten), eggs, butter, and heavy cream.
  • Verify soda and toppings for potential allergens when using alternate brands.

Nutrient breakdown (each portion)

Numbers shown are estimates only - please consult healthcare providers for specific advice.
  • Energy: 390
  • Fats: 17 g
  • Carbohydrates: 58 g
  • Proteins: 4 g