Get ready to bake up some fun with these delightful homemade funfetti cupcakes! Fluffy, moist, and bursting with colorful sprinkles, these cupcakes are the perfect treat for any celebration, party, or even just because. Topped with a dreamy vanilla buttercream, they’re sure to be a hit!

Why You’ll Love These Funfetti Cupcakes
- Light and Fluffy Texture – Achieved by carefully incorporating air into the batter.
- Bursting with Sprinkles – For a festive and colorful look.
- Perfect for Any Occasion – Whether it’s a birthday, school bake sale, or just a sweet craving, these cupcakes fit the bill.
- Homemade Goodness – Skip the cake mix and make these from scratch for the best flavor and texture.
Tips for the Best Funfetti Cupcakes
- Use Room Temperature Ingredients – This helps the batter mix smoothly and ensures a light, fluffy texture.
- High-Quality Vanilla Extract – A good vanilla extract enhances the flavor of the cupcakes.
- Don’t Overmix the Batter – Mix just until combined to avoid dense cupcakes.
- Fold in Sprinkles Gently – Stir just enough to distribute them evenly without overmixing.
Step-by-Step Guide to Making Funfetti Cupcakes
Step 1: Prepare Your Ingredients
Before you start, preheat your oven to 350°F and line a cupcake pan with liners. Make sure your butter is at room temperature.
Step 2: Mix Butter and Oil
Beat butter and oil together until smooth and pale yellow, about 3 minutes.
Step 3: Add Sugar
Slowly add granulated sugar, continuing to beat for another 3 minutes until light and fluffy.
Step 4: Incorporate Eggs and Vanilla
Add eggs one at a time, mixing well between each addition. Stir in vanilla extract and mix for another 3 minutes.
Step 5: Sift Dry Ingredients
Sift together cake flour, baking powder, and salt in a separate bowl.
Step 6: Alternate Dry Ingredients and Buttermilk
Gradually mix in the dry ingredients and buttermilk, alternating between the two, starting and ending with the dry ingredients.
Step 7: Add Sprinkles
Gently fold in the rainbow sprinkles.
Step 8: Bake the Cupcakes
Divide batter evenly into cupcake liners and bake for 20-30 minutes or until a toothpick inserted in the center comes out clean. Let cool completely before frosting.
Making the Perfect Vanilla Buttercream Frosting
Step 1: Beat Butter and Sugar
Beat softened butter and powdered sugar together for about 2 minutes until fluffy.
Step 2: Add Vanilla and Milk
Stir in vanilla extract and salt, then add milk one tablespoon at a time until you reach the desired consistency.
Step 3: Frost and Decorate
Transfer frosting to a piping bag fitted with a star tip and frost cooled cupcakes. Top with extra sprinkles for a festive finish!
Ingredients
For the Cupcakes:
- 1/2 cup unsalted butter, room temperature
- 1/2 cup vegetable oil
- 1 1/2 cups granulated sugar
- 4 large eggs, room temperature
- 2 tablespoons vanilla extract
- 3 cups cake flour
- 1 teaspoon salt
- 2 1/2 teaspoons baking powder
- 1 1/3 cups buttermilk
- 1/3 cup rainbow sprinkles
For the Frosting:
- 1 cup unsalted butter, room temperature
- 5 cups powdered sugar
- 1 tablespoon vanilla extract
- 1/2 teaspoon salt
- 4 tablespoons whole milk
Final Tips for the Best Cupcakes
- Allow cupcakes to cool completely before frosting to prevent the buttercream from melting.
- Use a piping bag for a professional look, or simply spread with a spatula for a rustic touch.
- Store leftovers in an airtight container at room temperature for up to 3 days.
Enjoy these homemade funfetti cupcakes with their light, fluffy texture and sweet vanilla buttercream! Perfect for birthdays, celebrations, or just a fun treat. Happy baking!
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