Funfetti Birthday Cake is a classic celebration dessert that never fails to bring smiles. With a soft, moist vanilla cake studded with colorful sprinkles and topped with fluffy frosting, this cake is a festive treat for birthdays, parties, or any occasion that calls for joy. Its cheerful appearance alone makes it irresistible, and the sweet, buttery flavor with bursts of sprinkles in every bite makes it a crowd favorite.
This homemade version is not only more flavorful than boxed mixes but also customizable. From the type of frosting to additional decorations, making a Funfetti cake from scratch adds a personal, celebratory touch that everyone will love.
I love this recipe because it’s bright, fun, and perfect for celebrations. It’s simple enough to make at home yet impressive enough to serve at parties. The cake is soft and tender, and the sprinkles inside make every slice festive and cheerful. Plus, the aroma while baking is pure happiness in the kitchen!
You must try this cake because:
✔ Perfect for birthdays and celebrations
✔ Moist and tender texture
✔ Fun and colorful sprinkles inside and out
✔ Easy to customize with frosting and toppings
✔ Brings joy and nostalgia to every bite
| Category | Information |
|---|---|
| Preparation Time | 20 minutes |
| Cooking Time | 25–30 minutes per cake layer |
| Total Time | 1 hour (including cooling) |
| Servings | 12–16 slices |
| Cuisine | American |
| Course | Dessert |
| Calories | ~400 calories per slice (with frosting) |
For the Cake:
For the Frosting:
Step 1: Preheat Oven
Preheat oven to 350°F (175°C). Grease and flour two 8-inch round cake pans or line with parchment paper.
Step 2: Mix Dry Ingredients
In a medium bowl, whisk together:
Set aside.
Step 3: Cream Butter and Sugar
In a large mixing bowl, beat softened butter and sugar until light and fluffy (2–3 minutes).
Step 4: Add Eggs and Vanilla
Add eggs one at a time, beating well after each addition. Stir in vanilla extract.
Step 5: Combine Wet and Dry Ingredients
Alternate adding flour mixture and milk to the butter mixture, beginning and ending with flour. Mix until just combined—do not overmix.
Step 6: Fold in Sprinkles
Gently fold in rainbow sprinkles using a spatula.
Step 7: Bake
Divide batter evenly between prepared pans. Bake 25–30 minutes, or until a toothpick comes out clean.
Step 8: Cool
Cool cakes in pans 10 minutes, then transfer to wire racks until completely cooled.
Step 9: Make Frosting
Beat butter until creamy. Gradually add powdered sugar, heavy cream, vanilla, and salt. Beat until smooth and fluffy.
Step 10: Frost and Decorate
Spread frosting evenly between layers and over the top and sides. Decorate with additional sprinkles.

Serve slices on their own or with:
Perfect for birthdays, parties, or celebratory gatherings.
Chocolate Funfetti
Replace ½ cup flour with cocoa powder for a chocolatey twist.
Strawberry Funfetti
Add ½ cup finely chopped strawberries and 1 tsp strawberry extract.
Lemon Funfetti
Add 1 tbsp lemon zest and 1 tsp lemon extract for a citrusy version.
Vegan Version
Replace eggs with flax eggs, butter with vegan butter, and milk with plant-based milk.
| Method | Time |
|---|---|
| Room Temperature | 2 days (covered) |
| Refrigerator | 4–5 days |
| Freezer (unfrosted layers) | Up to 3 months |
| Freezer (frosted cake) | Up to 1 month (well wrapped) |
Tip: Thaw frozen cake at room temperature before serving. Frost after thawing for best results.
Funfetti Birthday Cake is a classic, cheerful, and utterly delightful dessert perfect for celebrating life’s special moments. Soft, moist, and packed with colorful sprinkles, it’s fun to make, fun to serve, and fun to eat. With easy-to-follow steps, simple ingredients, and endless customization possibilities, this cake is sure to become your go-to for birthdays, parties, or any occasion that deserves a sweet celebration.
Funfetti Birthday Cake is a classic celebration dessert that never fails to bring smiles. With a soft, moist vanilla cake studded with colorful sprinkles and topped with fluffy frosting, this cake is a festive treat for birthdays, parties, or any occasion that calls for joy. Its cheerful appearance alone makes it irresistible, and the sweet, buttery flavor with bursts of sprinkles in every bite makes it a crowd favorite.