This Sprinkle Birthday Cake is a festive and delightful dessert that’s perfect for celebrations or anytime you want a fun, colorful treat. Moist, fluffy cake layers are loaded with sprinkles and topped with a creamy, sweet frosting for a cheerful finish. Easy to bake and irresistibly soft, this cake is sure to bring smiles to any occasion.
Why You’ll Love This Recipe
Fun & Colorful – Sprinkles inside and on top make it a visual treat.
Moist & Fluffy – Soft layers that melt in your mouth with every bite.
Simple & Quick – Minimal fuss with ingredients you likely already have.
Perfect for Any Celebration – Great for birthdays, parties, or just because.
Ingredients
- 2 ½ cups all-purpose flour
- 2 ½ tsp baking powder
- ½ tsp salt
- ¾ cup unsalted butter, softened
- 1 ¾ cups granulated sugar
- 4 large eggs
- 1 tbsp vanilla extract
- 1 cup whole milk
- ½ cup rainbow sprinkles
- For Frosting:
- 1 cup unsalted butter, softened
- 3–4 cups powdered sugar
- 2–3 tbsp milk
- 1 tsp vanilla extract
- Rainbow sprinkles for topping
Instructions
- Preheat Oven
Preheat oven to 350°F (175°C). Grease and flour two 8-inch cake pans. - Prepare the Batter
In a bowl, whisk together flour, baking powder, and salt. In another large bowl, cream butter and sugar until light and fluffy. Add eggs one at a time, then stir in vanilla. Gradually mix in flour mixture alternating with milk. Gently fold in sprinkles. - Bake the Cake
Divide batter evenly between prepared pans. Bake for 25–30 minutes or until a toothpick inserted in the center comes out clean. Let cakes cool in pans for 10 minutes, then transfer to a wire rack to cool completely. - Make the Frosting
Beat softened butter until creamy. Gradually add powdered sugar, then milk and vanilla, until smooth and spreadable. - Assemble the Cake
Place one cake layer on a serving plate. Spread frosting evenly on top, then place the second layer. Frost the top and sides of the cake. Decorate with additional rainbow sprinkles.

Nutritional Information
Calories: ~380
Protein: 4g
Fat: 18g
Carbohydrates: 50g
Sugar: 33g
Fiber: 1g
Tips for Success
- Use Room Temperature Ingredients – Ensures a smooth, even batter.
- Fold in Sprinkles Gently – Prevents color bleeding in the cake.
- Level Layers – Trim tops if needed for a neat, stacked appearance.
Why This Recipe Works
The combination of moist cake, colorful sprinkles, and creamy frosting makes this dessert visually fun and deliciously satisfying. Gentle folding of sprinkles prevents color from running, while the fluffy layers provide the perfect base for sweet, creamy frosting.
Sprinkle Birthday Cake is a cheerful and simple cake that’s perfect for celebrating any occasion. Easy to make, colorful, and irresistibly sweet, it’s a treat that will delight both kids and adults alike.
Sprinkle Birthday Cake – Colorful, Fun, and Deliciously Sweet
12
20
minutes30
380
kcalA colorful, moist birthday cake filled with rainbow sprinkles and topped with creamy frosting — perfect for parties, celebrations, or any fun occasion.
Ingredients
2 ½ cups all-purpose flour
2 ½ tsp baking powder
½ tsp salt
¾ cup unsalted butter, softened
1 ¾ cups granulated sugar
4 large eggs
1 tbsp vanilla extract
1 cup whole milk
½ cup rainbow sprinkles
For Frosting:
1 cup unsalted butter, softened
3–4 cups powdered sugar
2–3 tbsp milk
1 tsp vanilla extract
Rainbow sprinkles for topping
Instructions
- Preheat Oven
Preheat oven to 350°F (175°C). Grease and flour two 8-inch cake pans. - Prepare the Batter
In a bowl, whisk together flour, baking powder, and salt. In another large bowl, cream butter and sugar until light and fluffy. Add eggs one at a time, then stir in vanilla. Gradually mix in flour mixture alternating with milk. Gently fold in sprinkles. - Bake the Cake
Divide batter evenly between prepared pans. Bake for 25–30 minutes or until a toothpick inserted in the center comes out clean. Let cakes cool in pans for 10 minutes, then transfer to a wire rack to cool completely. - Make the Frosting
Beat softened butter until creamy. Gradually add powdered sugar, then milk and vanilla, until smooth and spreadable. - Assemble the Cake
Place one cake layer on a serving plate. Spread frosting evenly on top, then place the second layer. Frost the top and sides of the cake. Decorate with additional rainbow sprinkles.
Notes
- Use Room Temperature Ingredients – Ensures a smooth, even batter.
Fold in Sprinkles Gently – Prevents color bleeding in the cake.
Level Layers – Trim tops if needed for a neat, stacked appearance.