Name: Funfetti Whoopie Pie
Prep time: 15 min
Cook time: 12 min
Total time: 27 min
Cuisine: American
Ingredients: 2 cups all-purpose flour; 1 teaspoon baking powder; ½ teaspoon baking soda; ¼ teaspoon salt; ½ cup unsalted butter, softened; 1 cup granulated sugar; 2 large eggs; 1 teaspoon vanilla extract; 1 cup buttermilk; ⅓ cup rainbow sprinkles; 1 ½ cups marshmallow or vanilla frosting (for filling)

Do you remember the joy of biting into a slice of funfetti birthday cake as a kid? That colorful burst of sprinkles, the sweet vanilla scent, and the soft crumb that practically melts in your mouth. Now imagine all of that joy packed into a handheld dessert with a luscious frosting center. That’s exactly what the Funfetti Whoopie Pie delivers — nostalgia and indulgence in one delightful bite.

Funfetti Whoopie Pies are a celebration in cookie form. These soft cake-like cookies are dotted with vibrant rainbow sprinkles and sandwiched around a fluffy vanilla frosting. They’re the perfect treat for birthdays, celebrations, or just a cheerful baking day. Whether you’re making them for kids or bringing out your inner child, these whoopie pies are guaranteed to bring smiles.

Preparation Phase & Tools to Use

Before diving into the batter, having the right tools on hand makes the process smooth and the results consistently perfect.

Stand Mixer or Hand Mixer: A powerful mixer ensures your butter and sugar cream properly, giving you that fluffy, soft cookie texture.
Medium Cookie Scoop: This helps portion the batter evenly so all your whoopie pies bake up uniform in size.
Mixing Bowls: At least two — one for dry ingredients and one for wet — to streamline prep.
Silicone Spatula: Perfect for scraping down the sides of bowls and folding in those cheerful sprinkles without crushing them.
Baking Sheets + Parchment Paper: Keeps the cookies from sticking and helps with even baking.
Wire Cooling Rack: Allows the cookies to cool without becoming soggy.
Piping Bag or Spoon: For filling the frosting neatly between cookies.

With these tools, you’ll glide through the steps and end up with bakery-worthy whoopie pies right in your own kitchen.

Ingredients for the Funfetti Whoopie Pie

Every ingredient in this joyful bake plays a role in achieving that light, cake-like texture and flavor burst.

All-Purpose Flour: The structural base for the cookie, giving it body and lift.
Baking Powder + Baking Soda: These work together to give the cookies their rise and fluff.
Salt: Enhances sweetness and rounds out the flavors.
Unsalted Butter: Provides richness and a soft crumb.
Granulated Sugar: For sweetness and that classic cookie taste.
Eggs: Essential for structure and moisture.
Vanilla Extract: Delivers that warm, birthday-cake flavor.
Buttermilk: Adds tang and helps create that tender texture.
Rainbow Sprinkles: The star of the show — folded in for color, fun, and a surprise in every bite.
Marshmallow or Vanilla Frosting: Creamy filling that brings the two halves together into a pillowy sandwich.

How To Make the Funfetti Whoopie Pie

Step 1: Cream Butter and Sugar

In a large mixing bowl, beat the softened butter and granulated sugar until light and fluffy. This builds the air structure you need for that soft bite.

Step 2: Add Eggs and Vanilla

Crack in the eggs one at a time, beating well after each addition. Stir in the vanilla extract.

Step 3: Mix Dry Ingredients

In a separate bowl, whisk together flour, baking powder, baking soda, and salt.

Step 4: Combine Wet and Dry

Alternately add the dry mixture and buttermilk into the butter mixture. Start and end with the flour, mixing just until combined.

Step 5: Fold in Sprinkles

Gently fold in the rainbow sprinkles with a spatula. Be gentle to avoid streaks of color bleeding.

Step 6: Scoop and Bake

Using a medium cookie scoop, place dollops of batter onto parchment-lined baking sheets. Leave space between each. Bake at 350°F (175°C) for 10-12 minutes, until the tops spring back.

Step 7: Cool and Fill

Let cookies cool completely on a wire rack. Pipe or spoon frosting onto the flat side of one cookie, then top with another to form a sandwich.

How to Serve and Store These Sprinkle-Stuffed Delights

Serve your Funfetti Whoopie Pies at room temperature for the best texture. They make a vibrant addition to birthday tables, school bake sales, or as colorful after-dinner treats.

To store, keep them in an airtight container at room temperature for up to 3 days. For longer freshness, refrigerate them for up to a week. You can also freeze them (individually wrapped) for up to 2 months. Thaw at room temperature before serving.

Frequently Asked Questions

How do I keep the sprinkles from bleeding into the batter?

Use “jimmies” (rod-shaped sprinkles), and gently fold them in right before baking.

Can I make these ahead of time?

Yes! Bake the cookies a day early and fill them the next day for peak freshness.

What’s the best frosting to use?

Marshmallow cream or a classic vanilla buttercream work beautifully. You want something fluffy and not too stiff.

Can I use cake mix instead?

Absolutely. A boxed funfetti cake mix can be adapted to make whoopie pies, though the texture will be softer.

Can I add flavor variations?

Yes! Try almond extract for a twist, or add a cream cheese frosting center.

Want More Dessert Ideas?

If funfetti has your heart, you’re not alone! Here are more joyful dessert ideas from the LadyPlate kitchen:

You might also like the Cheesecake Deviled Strawberries for a fruity, creamy finger food twist.

Or explore the Mini Cinnamon Roll Cheesecakes if you love fusion bakes.

For more classic comfort, try the Indulgent Chocolate Chess Pie or keep things playful with Raspberry Crescent Rolls.

And if you’re short on ingredients, the 2-Ingredient Pineapple Cake is a fun, easy alternative!

Pin and Tell Me How Yours Turned Out

You can save this to your dessert boards for next time. Just click the Pin button.

If you make it, I’d love to hear how it turned out. Did you add extra sprinkles? Frost with a twist? Leave a comment below or tag me. I’m always curious how your kitchen magic turns out.

And for more of my daily recipe experiments, follow me on Pinterest at LadyPlate on Pinterest.