Frosted Birthday Cake Cookies are the perfect sweet treat. The soft and chewy cookie pairs perfectly with the creamy vanilla buttercream frosting. And who doesn’t love sprinkles?!

Birthday Cake Cookies topped with vanilla buttercream frosting and sprinkles.

Looking for a fun treat to celebrate a special occasion or just to celebrate life?

These Birthday Cake Cookies with a Vanilla Buttercream Frosting are PERFECT!

They are easy to make, delicious and tons of fun. The center of the cookie is perfectly soft and chewy while the edges have the perfect amount of crunch.

Plus, who doesn’t love sprinkles?!

They add tons of fun to what would be a classic (but incredibly tasty) sugar cookie.

Main Ingredients

Ingredients measured out in bowls to make Frosted Birthday Cake Cookies.

How to Get Perfectly Circular Cookies

Have you ever seen cookies that come out perfectly circular and wonder how they got to be so perfect?!

I know that I have!

And let me share with you have you can make perfectly circular cookies too.

Grab a mixing bowl, mason jar lid or circle cookie cutter that is larger than your cookies. Place the object over the cookies and move in a fast, circular motion.

This smoothes out the edges of the cookie to make the perfect cookie shape!

Continue until you have the desired result and repeat for each cookie.

How to Make Frosted Birthday Cake Cookies

  1. Preheat the oven to 350 degrees F
  2. In a large mixing bowl, cream together the softened butter and both sugars using a hand mixer
  3. Add in the remaining wet ingredients and mix
  4. Mix in the flour a 1/2 cup at a time. With the last 1/2 cup also add in the cornstarch and baking soda
  5. Fold in the sprinkles
  6. Chill the dough for 30 minutes
  7. Use a 1 or 1.5 tbsp cookie scooper to portion out the dough
  8. Place on a baking sheet lined with parchment paper spacing the cookie dough 1-2 inches apart
  9. Bake for 9-11 minutes until the edges are slightly golden with the center still a bit gooey
  10. Remove from the oven and let cool on the baking sheet until the center is fully set
  11. Transfer to a cooling rack and make the vanilla buttercream frosting
  12. To make the frosting, add the softened butter to a bowl
  13. Add in 1/2 cup of the powdered sugar at a time, using a hand mixer to combine
  14. With the last 1/2 cup of powder sugar, add in the vanilla extract
  15. Mix until combined and creamy
  16. Pipe the frosting on the cooled cookies
  17. Add the extra sprinkles on top
  18. Enjoy!
Butter and sugar in a bowl
Add the softened butter and both sugars to a bowl
Wet ingredients in a mixing bowl.
Mix using a hand mixer and add the remaining wet ingredients
Making the Birthday Cake Cookie Batter in a large mixing bowl
Mix then add int he dry ingredients
Sprinkles added to the cookie batter
Fold in the sprinkles
Birthday Cake Cookie batter in a bowl.
Portion out the dough
Portioned out cookie dough
Add to a baking sheet lined with parchment paper
Baked Funfetti cookies on a baking sheet.
Bake the cookies
Cooled and frosted birthday cake cookies.
Top with frosting and enjoy!

Frequently Asked Questions

Can these cookies be made gluten free?

Yes! You can substitute the all purpose flour for the gluten free all purpose flour at a 1:1 ratio.

Do I have to add the frosting on top?

Of course not! You can omit the frosting on top if desired.

How do I know the cookies are done baking?

The edges will be slightly golden and the center is a little gooey. After they cool on the baking sheet for a little, they will continue to bake.

What is the best way to store the cookies?

Store in an airtight container at room temperature for 2-3 days.

Can I freeze the dough or cookies?

You can freeze the dough or the cookies after they’re baked! If you freeze the dough, remove from the freezer and let sit on the counter for 10-15 minutes before baking.

However, if you freeze the cookies, thaw them at room temperature or in the microwave at 10-15 second increments.

Funfetti cookies on a cooling rack.
Birthday Cake Cookies topped with vanilla buttercream frosting and sprinkles.
5 stars (5 ratings)

Frosted Birthday Cake Cookies

Prep Time: 15 minutes
Cook Time: 10 minutes
Chilling Time: 30 minutes
Total Time: 55 minutes
Yield: 16 cookies
Frosted Birthday Cake Cookies are the perfect sweet treat. The soft and chewy cookie pairs perfectly with the creamy vanilla buttercream frosting. And who doesn't love sprinkles?!
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Ingredients
 

  • 1/2 cup salted butter, softened to room temp
  • 3/4 cup granulated sugar
  • 1/4 cup dark brown sugar
  • 1 egg
  • 2 tsp vanilla extract
  • 1 1/2 cup all purpose flour
  • 2 tsp cornstarch
  • 1/2 tsp baking soda
  • 1/2 cup sprinkles

Vanilla Buttercream Frosting

  • 1/2 cup salted butter, softened to room temp
  • 1 1/2 cups powdered sugar
  • 1 tsp vanilla extract
  • extra sprinkles, for topping

Instructions
 

  • Preheat the oven to 350 degrees F
  • In a large mixing bowl, cream together the softened butter and both sugars using a hand mixer
  • Add in the remaining wet ingredients and mix
  • Mix in the flour a 1/2 cup at a time. With the last 1/2 cup also add in the cornstarch and baking soda
  • Fold in the sprinkles
  • Chill the dough for 30 minutes
  • Use a 1 or 1.5 tbsp cookie scooper to portion out the dough
  • Place on a baking sheet lined with parchment paper spacing the cookie dough 1-2 inches apart
  • Bake for 9-11 minutes until the edges are slightly golden with the center still a bit gooey
  • Remove from the oven and let cool on the baking sheet until the center is fully set
  • Transfer to a cooling rack and make the vanilla buttercream frosting
  • To make the frosting, add the softened butter to a bowl
  • Add in 1/2 cup of the powdered sugar at a time, using a hand mixer to combine
  • With the last 1/2 cup of powder sugar, add in the vanilla extract
  • Mix until combined and creamy
  • Pipe the frosting on the cooled cookies
  • Add the extra sprinkles on top
  • Enjoy!

Nutrition

Serving: 1cookie, Calories: 265kcal, Carbohydrates: 38g, Protein: 2g, Fat: 12g, Saturated Fat: 8g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 3g, Trans Fat: 0.5g, Cholesterol: 41mg, Sodium: 131mg, Potassium: 26mg, Fiber: 0.3g, Sugar: 28g, Vitamin A: 369IU, Calcium: 10mg, Iron: 1mg
Author: Jessica Selensky
Course: Dessert, Snack
Cuisine: American
Keywords: Birthday Cake Cookies, cookies, Cookies with Frosting, desserts, Frosted Cookies, Funfetti Cookies, Spring Baking, Sprinkle Cookies, Vanilla Buttercream

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