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These birthday cake cookies are soft, chewy, and loaded with rainbow sprinkles and chopped white chocolate, all the fun of birthday cake packed into a single cookie. They bake up thick and bakery-style with creamy white chocolate pockets in every bite, no oven mitts or layer pans required.
About This Birthday Cake Cookies Recipe
These are basically funfetti cookies with a little more going on. Rainbow sprinkles and chopped white chocolate fold into a soft, chewy dough that bakes up thick instead of flat, so every bite has classic birthday cake flavor packed into a bakery-style cookie. Some people call them sprinkle cookies; others call them white chocolate sprinkle cookies, but either way, these soft birthday cake cookies deliver on both sweetness and texture.
The real secret to these birthday cake cookies is a combination of technique and quality ingredients. Cornstarch keeps the texture soft and tender even after the cookies cool completely on the rack, while a chopped white chocolate bar (not chips) melts into creamy pockets you can’t get any other way. Real vanilla extract does the heavy lifting on flavor, so use the good stuff if you have it.
A 15-minute chill before baking is all it takes to get thick cookies that hold their shape instead of spreading into thin discs, and pulling them from the oven while they still look a little underdone keeps the middle soft instead of dry. These are also a genuinely good cookie to keep stocked in the freezer, whether that’s baked cookies ready to thaw or raw dough balls ready to bake straight from frozen for a last-minute birthday party or gathering.
Why You’ll Love This Recipe
If you’re a funfetti fan who wants all that birthday cake flavor in soft, chewy cookie form, this recipe is about to become your new go-to.
- Bakes up thick and bakery-style instead of thin and flat, thanks to one short chill
- A chopped white chocolate bar melts into creamy pockets you can’t get from chips
- Cornstarch keeps the texture soft and tender even after cooling
- Freezer-friendly both as baked cookies and as raw dough
- Easy to dress up for any occasion just by swapping the sprinkle color
ingredients
Butter. Use unsalted butter softened to room temperature so it creams properly with the sugars. Avoid melted or cold butter because both will change how the cookies spread and can affect the final texture.
Sugar. This recipe uses both granulated white sugar and light brown sugar. Make sure the brown sugar is soft and fresh rather than hard or clumpy before measuring.
Egg. You’ll need one large egg for this recipe. Bring it to room temperature before mixing so it combines more evenly with the other wet ingredients.
Vanilla extract. Use pure vanilla extract for the best flavor. Since it’s the primary flavor in these cookies, quality matters more than usual. Nielsen-Massey and Rodelle are both great brands worth splurging on for a batch of cookies this simple.
Flour. Use all-purpose flour for these cookies and measure it carefully so the dough doesn’t become dry. For the most accurate result, weigh the flour; otherwise, spoon it into your measuring cup and level it rather than packing it down.
Cornstarch, baking soda, and salt. Cornstarch helps give these cookies their soft texture, while baking soda provides lift and helps with browning. Fine sea salt works well here, but kosher salt can also be used if that’s what you keep on hand.
Rainbow sprinkles. Use rainbow jimmies rather than nonpareils. The tiny round nonpareils tend to bleed their color into cookie dough much faster, while jimmies hold up better when you stir them into the mixture.
White chocolate. Chop a good-quality white chocolate bar into a mixture of smaller and larger pieces. I prefer this to white chocolate chips because a bar melts more readily, giving you creamy pockets of chocolate instead of uniformly shaped chips.
this recipe’s must-haves
A stand mixer or electric hand mixer makes creaming the butter and sugars far easier than doing it by hand, and it’s worth using for the full recommended time to get the right texture. A cookie scoop keeps every dough ball roughly the same size, which means they all bake and set at the same rate.
A parchment-lined baking sheet keeps the cookies from sticking and makes cleanup simple, and a wire cooling rack is where the cookies finish setting once they come off the pan.
how to make these Birthday Cake Cookies (step-by-step)
Whisk
In a small bowl, whisk together the flour, cornstarch, baking soda, and salt. Set aside.
Cream
In a large bowl, beat the softened butter, granulated sugar, and brown sugar together with an electric mixer on medium speed for 2 to 4 minutes, until light and fluffy. Use a measuring cup to double check your sugar amounts here, since this ratio is what gives the dough its structure.
Mix
Add the egg and vanilla extract and beat until fully incorporated. With the mixer on low, slowly add the dry ingredients to the wet ingredients and mix just until combined into a smooth mixture, taking care not to overmix.
Fold
Fold in the chopped white chocolate, then gently fold in the sprinkles last. Stop mixing as soon as they’re incorporated, since overmixing at this stage will bleed the sprinkle color into the dough.
Chill
Roll the dough into 1 to 1½ inch balls and place them on a parchment-lined baking sheet. Press a few extra sprinkles on top of each ball, then chill for 15 minutes. While the dough chills, preheat the oven to 350°F.
Bake
Place the chilled dough balls 2 inches apart on a parchment-lined baking sheet. Bake for 9 to 11 minutes, until puffed. The cookies should look slightly underdone; pull them just before you think they’re ready.
Cool
Cool the cookies on the pan for 2 to 3 minutes, then transfer them to a wire rack to cool completely.
Tips for Success
- Make sure the butter is truly room temperature, not melted and not cold, so it creams properly with the sugars
- Cream the butter and sugars for the full 2 to 4 minutes, since this step is what builds the right texture and lift
- Use a chopped white chocolate bar rather than chips for better pockets of melted chocolate throughout each cookie
- Fold the sprinkles in gently and last, since overmixing at that point will bleed color into the dough
- Don’t skip the chill; 15 minutes in the refrigerator is what keeps these thick instead of spreading it flat
- Pull the cookies when they still look a little underdone and puffed; they’ll keep setting on the hot pan for a few more minutes, staying soft in the middle rather than developing crispy edges
- Press a few extra sprinkles on top of each dough ball before baking for a prettier finished cookie
variations
Change the sprinkles. Swap the rainbow sprinkles for colors that match the occasion. Red and green work for Christmas, pastels are great for spring, and team or school colors make these easy to customize for a party.
Add lemon. Stir a teaspoon of fresh lemon zest into the wet ingredients for a citrus variation. Lemon works especially well with the vanilla and almond flavors already in the dough.
Change the chocolate. Replace the chopped white chocolate with dark or semisweet chocolate. The deeper chocolate taste makes a nice contrast to the sweet birthday cake flavor.
Make cookie sandwiches. Pair cookies of similar sizes and sandwich them together with vanilla frosting or buttercream. Roll the exposed frosting edge in extra sprinkles for even more color.
Cover them in sprinkles. Instead of only mixing sprinkles into the batter and pressing a few on top, roll each portion of cookie dough in jimmies before baking. You’ll get much more sprinkle coverage on the outside of every cookie.
More celebratory treats to try: Chocolate Cake with Fresh Strawberry Buttercream Frosting I Red Velvet Bundt Cake I Biscoff Brownies I Triple Chocolate Brownies.
faqs
Why did my Birthday Cake Cookies spread?
The butter may have been too warm, or the dough may not have chilled long enough. Use softened (not melted) butter and chill the dough balls for the full 15 minutes. Also, measure the flour carefully to prevent spreading.
Can I use nonpareils instead of rainbow jimmies?
You can, but rainbow jimmies work better because nonpareils bleed color more easily.
Can I use white chocolate chips?
Yes, but chopped white chocolate melts more readily and creates creamier pockets throughout the cookies.
Why do the cookies look underbaked?
They should look slightly underdone in the center when you remove them from the oven. Let them cool on the baking sheet for 2 to 3 minutes, so they finish setting without drying out.
How do I get bakery-style thick cookies?
The 15-minute chill is what makes these thick and bakery-style instead of flat. Cold dough spreads less in the oven, giving you that puffed, thick shape. Also, pulling the cookies from the oven while they still look slightly underdone helps them stay thick as they finish setting on the hot pan.
How do I know when the cookies are done?
Pull them from the oven when they look puffed and slightly underdone in the center, usually around 9-11 minutes. The edges should be set but the middles will still look soft and pale. They’ll continue setting on the hot pan for 2-3 more minutes, which gives you that soft, chewy texture. Overbaked cookies will be crispy and dry.
Need more inspiration for a sweet treat? Check out my dessert recipes page!
what to serve with these birthday cake cookies
A cold glass of milk is an easy pairing with these sweet, soft cookies. You could also serve them warm alongside a scoop of vanilla or birthday cake ice cream for a simple birthday dessert.
For something a little different, add a scoop of my honeycomb ice cream. The caramelized honeycomb flavor works especially well with the vanilla, almond, and white chocolate flavors in the cookies.
These cookies also fit right into a dessert spread or cookie box. Pair them with cake batter cookies for a colorful birthday theme, or add cranberry white chocolate oatmeal cookies when you want another chewy cookie with plenty of white chocolate. If you’re making them for a birthday party, package individual cookies in clear bags or small boxes for an easy party favor guests can take home.
how to store
Store: Keep baked Birthday Cake Cookies in an airtight container at room temperature for up to 5 days.
Freeze: Let baked cookies cool completely, then arrange them in a single layer on a baking sheet and freeze until solid. Transfer them to a freezer-safe zip-top bag and store in the freezer for up to 2 months. Let them thaw at room temperature for about 30 minutes before serving.
You can freeze the unbaked cookie dough, too. Scoop and roll the dough into balls, freeze them on a parchment-lined pan until firm, and transfer them to a freezer-safe bag. Keep the frozen dough for up to 3 months and bake straight from frozen, adding about 2 to 3 minutes to the baking time.
Make ahead: Prepare and shape the cookie dough up to 48 hours before you plan to bake it. Keep the dough balls covered in the refrigerator so they don’t dry out, then bake them when you’re ready.
more of our favorite Cookie Recipes
My snowball cookies are a classic option when you want a tender, buttery cookie with a completely different texture from these sprinkle cookies. They’re especially good for holiday cookie trays and gifting.
For a more floral flavor, try Grandma’s lavender cookies. They’re delicate and fragrant, making them a fun change from the bold birthday cake flavors in this recipe.
These raspberry thumbprint cookies bring a fruity option to your cookie lineup. The bright raspberry center adds a tart contrast to the buttery cookie base, so they’re especially nice when you’re putting together a mixed cookie box.
everyday seasonal cookbook
With seasonal produce guides, recipes, and more, this cookbook is filled with seasonal food for every occasion.
Finally, if you make this birthday cake cookies recipe, please be sure to give this recipe a star recipe rating on the recipe card and/or leave a comment! I love to hear when you all make recipes, and I do take the time to respond to every single comment.
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Birthday Cake Cookies
equipment
- Stand mixer or electric hand mixer
- Cookie scoop for uniform sizing
- Parchment-lined baking sheet
- wire cooling rack
ingredients
- 1/2 cup unsalted butter softened to room temperature (113g)
- 1/2 cup granulated sugar 150g
- 1/2 cup light brown sugar 50g
- 1 large egg
- 2 tsp vanilla extract
- 1 1/2 cups all-purpose flour 217g
- 2 tsp cornstarch
- 1/2 tsp baking soda
- 1/2 tsp sea salt
- 1/2 cup rainbow sprinkles/jimmies plus more for topping
- 4 oz white chocolate bar chopped
instructions
- In a small bowl, whisk together the flour, cornstarch, baking soda, and salt. Set aside.
- In a large bowl, beat the softened butter, granulated sugar, and brown sugar together with an electric mixer on medium speed for 2 to 4 minutes until light and fluffy.
- Add the egg and vanilla extract and beat until fully incorporated.
- With the mixer on low, slowly add the dry ingredients and mix just until combined. Do not overmix.
- Fold in the chopped white chocolate, then gently fold in the sprinkles last. Take care not to overmix once the sprinkles are added or the color will bleed into the dough.
- Roll the dough into 1 to 1½ inch balls and place on a parchment-lined baking sheet. Press a few extra sprinkles on top of each ball. Chill for 15 minutes.
- While the dough chills, preheat the oven to 350°F.
- Place the chilled dough balls 2 inches apart on a parchment-lined baking sheet. Bake for 9 to 11 minutes until puffed. The cookies will look slightly underdone — pull them just before you think they’re ready.
- Cool on the pan for 2 to 3 minutes, then transfer to a wire rack to cool completely.
video
notes
- Don’t skip the chill. Even 15 minutes in the refrigerator makes a noticeable difference. Chilling helps keep the cookies thick and reduces spreading in the oven.
- Pull them early. The cookies should look puffed and slightly underdone when you remove them from the oven. They’ll continue setting on the hot pan, while overbaking can make them dry.
- Use a white chocolate bar. Chopped white chocolate melts more readily and gives you varied pockets of chocolate. White chocolate chips contain stabilizers that help them maintain their shape when baked.
- Choose the right sprinkles. Rainbow jimmies are best for the cookie dough. Nonpareils bleed color much faster and can muddy the appearance of the cookies.
nutrition
about meghan
Meghan Yager is the recipe developer, food photographer, and creative force behind Cake ‘n Knife, where everyday moments are celebrated with bold, flavor-forward recipes. From cozy cocktails to bold appetizers and indulgent desserts, her approachable style brings people together around food worth sharing. Meghan’s work has been featured by Good Housekeeping, Oprah Daily, Today, Woman’s Day, and The Huffington Post. She lives in Denver, where she brings big flavor and a little sass to every bite.
