
Why Make This Recipe
Funfetti Sheet Cake is a colorful and delightful dessert that brightens up any occasion. This cake is perfect for birthdays, celebrations, or simply when you want to treat yourself and your loved ones to something sweet. The combination of soft, fluffy cake and creamy frosting, topped with rainbow sprinkles, makes it not just a treat for the taste buds but also a feast for the eyes. Everyone loves the fun and festive feel of a Funfetti cake, making it a great choice for gatherings.
How to Make Funfetti Sheet Cake
Ingredients
- 2 cups all-purpose flour
- 1 1/2 cups granulated sugar
- 1 tablespoon baking powder
- 1/2 teaspoon salt
- 1 cup unsalted butter, softened
- 1 cup milk
- 3 large eggs
- 1 tablespoon clear vanilla extract
- 1/2 cup rainbow sprinkles
- 1 cup shortening (for frosting)
- 4 cups powdered sugar (for frosting)
- 2 tablespoons milk (for frosting)
- 1 teaspoon vanilla extract (for frosting)
Directions
- Preheat the oven to 350°F (175°C). Grease and flour a sheet cake pan.
- In a large bowl, mix the flour, sugar, baking powder, and salt.
- Add the softened butter, milk, eggs, and clear vanilla extract. Mix on medium speed until well combined.
- Fold in the rainbow sprinkles gently.
- Pour the batter into the prepared pan and spread it evenly.
- Bake for 25-30 minutes or until a toothpick inserted comes out clean.
- Let the cake cool completely.
- For the frosting, beat the shortening until creamy, then gradually add powdered sugar, milk, and vanilla until smooth.
- Frost the cooled cake and add more sprinkles on top if desired.
- Slice and serve for any celebration!
How to Serve Funfetti Sheet Cake
Serve Funfetti Sheet Cake at room temperature for the best experience. It can be cut into squares and placed on a platter for easy serving. Add extra sprinkles on top for a festive touch. This cake pairs well with ice cream, coffee, or a glass of milk.
How to Store Funfetti Sheet Cake
To store Funfetti Sheet Cake, keep it in an airtight container at room temperature for up to three days. If you want to keep it longer, you can refrigerate it for up to a week. For longer storage, slice the cake and wrap individual pieces in plastic wrap before placing them in a freezer-safe bag. The cake can be frozen for up to three months.
Tips to Make Funfetti Sheet Cake
- Make sure your butter is softened to room temperature for easy mixing.
- Use clear vanilla extract to keep the frosting bright white.
- Don’t overmix the batter after adding the sprinkles; fold them in gently.
- Allow the cake to cool completely before frosting for easier spreading.
Variation
You can customize your Funfetti Sheet Cake by adding different flavors to the frosting, such as chocolate or almond. Another option is to mix in seasonal sprinkles for holidays like Halloween or Christmas.
FAQs
1. Can I make this cake ahead of time?
Yes! You can bake and frost the cake a day in advance. Just store it in an airtight container to keep it fresh.
2. Can I use different types of sprinkles?
Absolutely! You can use any colorful sprinkles or themed sprinkles that match your celebration.
3. What pans can I use for this recipe?
This recipe is perfect for a sheet cake pan, but you can also use a 9×13 inch baking dish if that’s what you have on hand. Just adjust the baking time as needed.

Funfetti Sheet Cake
Ingredients
For the cake
- 2 cups all-purpose flour
- 1.5 cups granulated sugar
- 1 tablespoon baking powder
- 0.5 teaspoon salt
- 1 cup unsalted butter, softened Make sure butter is at room temperature.
- 1 cup milk
- 3 large eggs
- 1 tablespoon clear vanilla extract Use clear vanilla for brighter frosting.
- 0.5 cup rainbow sprinkles Fold gently into the batter.
For the frosting
- 1 cup shortening
- 4 cups powdered sugar
- 2 tablespoons milk
- 1 teaspoon vanilla extract
Instructions
Preparation
- Preheat the oven to 350°F (175°C). Grease and flour a sheet cake pan.
- In a large bowl, mix the flour, sugar, baking powder, and salt.
- Add the softened butter, milk, eggs, and clear vanilla extract. Mix on medium speed until well combined.
- Fold in the rainbow sprinkles gently.
- Pour the batter into the prepared pan and spread it evenly.
- Bake for 25-30 minutes or until a toothpick inserted comes out clean.
- Let the cake cool completely.
Frosting
- For the frosting, beat the shortening until creamy.
- Gradually add powdered sugar, milk, and vanilla until smooth.
Assembly
- Frost the cooled cake and add more sprinkles on top if desired.
- Slice and serve for any celebration!
