Is there anything more purely happy than a funfetti cupcake? I honestly don’t think so. They’re the kind of treat that makes you feel like a kid again—bright, colorful, sweet, and full of magic. I love making these for birthdays, celebrations, random Tuesdays, you name it.
Homemade funfetti is about 100x better than the box, and I’m going to show you exactly how easy it is. Plus, we’re loading these babies up with creamy buttercream and even more sprinkles, because… why not?!
Ingredients:
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Cake Flour: This gives your cupcakes that soft, tender crumb. All-purpose flour would make them denser, so I really recommend using cake flour for that bakery-style lightness!
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Baking Powder: Our lift-off! Helps the cupcakes rise nice and fluffy instead of baking up flat.
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Salt: A tiny amount, but important—it enhances all the sweet flavors.
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Unsalted Butter: Brings rich flavor and moisture. Always start with softened butter so it creams properly with the sugar.
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Granulated Sugar: Sweetens the cupcakes and helps lock in moisture.
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Eggs: Eggs bind the batter together and give the cupcakes structure. Room temperature eggs incorporate better and help the cupcakes bake evenly.
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Vanilla Extract: Flavor, flavor, flavor! You want that strong vanilla base that funfetti is known for.
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Sour Cream: Adds richness and makes these cupcakes extra moist. Don’t skip it!
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Whole Milk: Helps thin the batter slightly while keeping it rich. Room temp milk keeps the batter from curdling.
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Rainbow Sprinkles: The star of the show! They melt just slightly in the oven and create those colorful pops inside each bite.
Why You’ll Love These Funfetti Cupcakes
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Insanely moist and fluffy.
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Perfectly sweet with that real homemade vanilla flavor.
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Loaded with sprinkles in every bite!
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Simple ingredients you probably already have.
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Customizable with different colors or themes—perfect for parties!
What is Funfetti Cake?
Funfetti cake is basically a vanilla cake with colorful sprinkles folded into the batter. It was originally made popular by Pillsbury in the 1980s (shoutout to the OG Funfetti box mix!), but homemade versions taste SO much better. It’s all about making an already delicious vanilla cake even more playful and festive.
Substitutions and Modifications
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No Cake Flour? Use all-purpose flour but remove 2 tablespoons of flour per cup and replace with 2 tablespoons of cornstarch.
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Different Sprinkles? You can totally theme them with holiday or seasonal colors.
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Frosting Flavors: Swap vanilla for almond extract, lemon, or even a little strawberry extract for fun flavor twists!
The Best Homemade Funfetti Cupcakes
Ingredients
Funfetti Cupcake Ingredients:
- 1 and 3/4 cups cake flour
- 1 ½ teaspoons baking powder
- ¼ teaspoon salt
- ½ cup unsalted butter softened to room temperature
- 1 cup granulated sugar
- 2 large eggs at room temperature
- 1 tablespoon pure vanilla extract
- ½ cup full-fat sour cream at room temperature
- ½ cup whole milk at room temperature
- ½ cup rainbow sprinkles
For the Buttercream:
- 1 cup unsalted butter softened
- 1 teaspoon vanilla extract
- ¼ cup heavy whipping cream
- 3 –4 cups powdered sugar
- Optional: food coloring
Instructions
- Prep: Preheat your oven to 350°F (177°C) and line a cupcake pan with liners.
- Dry Ingredients: In a small bowl, whisk together your cake flour, baking powder, and salt. Set aside.
- Cream Butter & Sugar: In a large bowl, beat the butter and sugar together using a hand mixer or stand mixer on medium speed for 2–3 minutes, until light and fluffy.
- Add Wet Ingredients: Beat in the eggs and vanilla extract until smooth. Then mix in the sour cream and milk until just combined.
- Fold in Dry Ingredients: Gently fold in the dry ingredients using a spatula. Don’t overmix—just until no flour streaks remain!
- Sprinkle Time: Fold in your rainbow sprinkles gently.
- Bake: Divide the batter evenly between 14 cupcake liners (filling them about 2/3 full). Bake for 20–25 minutes, or until a toothpick inserted into the center comes out clean.
- Cool: Let the cupcakes cool completely before frosting.
Making the Buttercream:
- Beat the butter on high speed until creamy (about 2 minutes).
- Add the vanilla and heavy cream, and beat again.
- Gradually add the powdered sugar, 1 cup at a time, until you reach your desired consistency and sweetness.
- If using, add food coloring to make it fun!
- Frost each cooled cupcake generously and top with extra sprinkles.
Nutrition
Tips and Tricks for Perfect Funfetti Cupcakes
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Use jimmies, not nonpareils! Nonpareils (the little balls) bleed color into the batter. Jimmies (the longer, rod-shaped sprinkles) work best.
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Don’t overmix. Just fold the batter until the dry ingredients disappear. Overmixing = tough cupcakes.
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Room temp everything. Seriously, it matters. Cold ingredients = uneven batter.
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Test early. Check cupcakes at the 20-minute mark to avoid overbaking.
Storage Instructions
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Store: Cupcakes stay fresh covered at room temperature for 2 days or refrigerated for up to 5 days.
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Freeze: Unfrosted cupcakes freeze great! Freeze for up to 2 months, thaw overnight in the fridge, then frost fresh.
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Reheat: You don’t really need to reheat cupcakes, but if you want that fresh-baked warmth, microwave for 5–10 seconds!
Conclusion
There is truly nothing like biting into a fluffy, buttery cupcake with colorful sprinkles baked right in. These homemade funfetti cupcakes are pure joy—and honestly, once you make them from scratch, you’ll never want to go back to the box! They’re easy, customizable, and just so fun. Trust me: your future self (and your taste buds) will thank you.
Come Bake With Me!
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And don’t forget to leave a comment and a star rating below—I LOVE hearing from you!
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