Easy-To-Make Smash Cake For A First Birthday Party - Barbara Bakes

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This Smash Cake Recipe is super easy and perfect for a first birthday party! The cake is a four-inch chocolate birthday cake just the right size for a child’s little hands, grabbable and smashable!

A cake with white frosting made from smash cake recipe  topped with colorful star-shaped sprinkles and a green number one candle.

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This smash cake is a perfectly-sized 4-inch cake that’s both beautiful and ideal for tiny hands to dig into. A super easy recipe for a fun and photo-worthy event!

The magic of this cake lies in its simplicity – it’s basically a chocolate cake that’s baked in a 4-inch deep cake pan rather than doing layers. It’s finished off with a basic cream cheese frosting and then decorated in whatever colors fit the theme of your birthday celebration!

Jump to:
  • Why You’ll Love This Smash Cake Recipe
  • Recipe Ingredients
  • How to Make A Smash Cake
  • Recipe FAQs
  • Expert Tips
  • Fun Birthday Cakes I Love Making
  • More Cake Recipes to Consider
  • Easy Smash Cake Recipe for 1st Birthday
4 inch cake with a number 1 birthday candle

Why You’ll Love This Smash Cake Recipe

  • Perfect Size: I combined the Old Fashioned Chocolate Cake recipe with a two-cupcake recipe to make just enough batter for one little 4-inch chocolate cake. (See the recipe below!)
  • Classically Yummy: Who doesn’t love a classic chocolate cake covered in cream cheese frosting? The definition of yum!
  • Quick & Easy: This small cake preps in just a few minutes and then bakes quickly so you have more time for decorating or spending with family on this special day.

🎂 My friends and family all know how much I absolutely LOVE making birthday cakes so I am often baking up delicious recipes for wonderful people!

Recipe Ingredients

  • All-purpose flour
  • Sugar
  • Cocoa powder
  • Baking soda
  • Salt
  • Hot water
  • Vegetable oil
  • Vinegar
  • Vanilla
  • Cream Cheese Frosting — or a frosting of your choice
A collage highlights a small frosted cake with a 1st Birthday topper, surrounded by red and yellow balloons. Additional images detail the smash cake recipe process: mixing ingredients, batter in a pan, and the baked cake ready to delight.

How to Make A Smash Cake

  1. Preheat oven to 350ºF. Spray a 4×2-inch round cake pan with baking spray.
  2. In a small mixing bowl, whisk together flour, sugar, cocoa powder, baking soda, and salt.
  3. Whisk together water, oil, vinegar, and vanilla in a cup. Add to dry ingredients and whisk just until combined.
  4. Bake 18 – 20 minutes or until a tester comes out clean. Allow to cool completely before frosting.
Frosting a 4-inch cake with cream cheese frosting.

Recipe FAQs

Can I make this cake ahead of time?

Yes! You can bake the layers up to 2 days in advance and store them wrapped tightly in plastic wrap at room temperature. The assembled cake can be made 1 day ahead and stored in the refrigerator. Just bring it to room temperature about 1 hour before the smash session.

How do I transport this cake to the party venue?

For safe transport, I recommend chilling the assembled cake for at least 2 hours first. Place it in a cake carrier or box that’s at least 8 inches tall to protect the frosting. Put a non-slip mat under the cake board, and keep the air conditioning running in your car to prevent the buttercream from softening.

What is the best icing for this cake?

I personally love to use a basic cream cheese frosting for these types of cakes, but a buttercream icing will also work very well.

Colorful sprinkles on a chocolate smash cake topped with an adorable unicorn candle

Expert Tips

  • The cake domes as it bakes, if you want, you can leave the rounded top. Or, use a serrated knife to trim the top flat.
  • You can decorate the cake as simply as you’d like. I’ve used sprinkles and easy-to-make white chocolate curls on smash cakes.
  • Bring all refrigerated ingredients to room temperature before starting
  • Chill cake for 15 minutes between crumb coat and final frosting layer

Easy Decorating Ideas For Beginners

Start with a smooth base coat of white frosting using an offset spatula.

For simple yet effective decoration, try pressing rainbow sprinkles around the bottom edge of the cake or create a basic pattern with them on top.

You can also use a piping bag with a large star tip to make swirls around the top edge – just hold the bag straight up and down, squeeze with consistent pressure, and release gently.

A “1” candle or cake topper adds a perfect finishing touch without requiring advanced decorating skills.

Fun Birthday Cakes I Love Making

I have a collection of cakes to pull from when I need a birthday cake, and these are all tested and approved by dozens of adults and kids!

  • Birthday Cupcakes are a go-to pick and I often make them on the side to go with the main birthday cake.
  • An alternate to the cupcakes is this Birthday Cheesecake in a Jar. It’s a very fun alternative and everyone thinks it’s so special!
  • When in doubt of the birthday boy or girl’s favorite cake flavor, I’ll make The Best Classic Yellow Birthday Cake with Chocolate Frosting because you just can’t beat a classic!
  • And kids will always squeal with delight over this McQueen Birthday Cake although you can use the recipe and make it a different character or decor!
Smash cake with a happy birthday balloon

More Cake Recipes to Consider

  • Easy Apple Streusel Cake
  • Quick Chocolate Chip Mug Cake-Ready in 10 Minutes
  • Gluten-Free Flourless Chocolate Cake
  • Strawberry Shortcake Sheet Cake

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Please enable JavaScript in your browser to complete this form. Address Email Email Address SaveLoading A Smash Cake for Baby's first birthday Print Recipe Pin Recipe Rate this Recipe 4.42 from 89 votes

Easy Smash Cake Recipe for 1st Birthday

This Smash Cake Recipe is super easy and perfect for a first birthday party! The cake is a little four-inch chocolate birthday cake just the right size for a child's little hands, grabbable and smashable Prep Time10 minutes Cook Time20 minutes Total Time30 minutes Servings: 1 mini cake Author: Melissa Griffiths Cook ModePrevent your screen from going to sleep

Ingredients

1x2x3x
  • cup plus 1 tablespoon all purpose flour
  • ¼ cup sugar
  • 1 tablespoon cocoa powder
  • ¼ teaspoon baking soda
  • teaspoon salt
  • ¼ cup hot water
  • 2 tablespoons vegetable oil
  • 1 teaspoon vinegar
  • teaspoon vanilla

Instructions

  • Preheat oven to 350ºF. Spray a 4″ x 2″ round cake pan with baking spray.
  • In a small mixing bowl, whisk together flour, sugar, cocoa powder, baking soda, and salt.
  • Whisk together water, oil, vinegar, and vanilla in a cup. Add to dry ingredients and whisk just until combined.
  • Bake 18 – 20 minutes or until a tester comes out clean. Allow to cool completely before frosting. (I frosted the cake with cream cheese icing.)

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Smash cake with sprinkles and a number 1 candle
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