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The Ultimate Birthday Cookie Recipe – Soft, Gooey, and Funfetti-Filled!

Updated: Apr 8


Birthday Sugar Cookie Recipe
Birthday Sugar Cookie Recipe


Hey y’all! Welcome back to Sarah Grace Cookie Co, where we bake with love, laughter, and just a little bit of chaos. Today, I’m sharing a Birthday Cookie Recipe that’s guaranteed to bring smiles to any celebration. 🎉

Birthday Cake Sugar Cookie Recipe with sprinkles
Birthday Cake Sugar Cookie Recipe

These cookies are soft, cakey, and packed with colorful sprinkles—perfect for kids (and grown-ups) who love a good Funfetti moment.


I made these for my nephew’s Ninja Turtle-themed birthday party, and y’all are getting the first taste of this new variation of my go-to cookie dough. So grab a cup of coffee (don’t forget it in the microwave like I do! 😂) and let’s get baking!




Why You’ll Love This Birthday Cookie Recipe

✔️ Soft & Gooey – A mix of butter, cornstarch, and extra egg yolks makes these cookies melt-in-your-mouth good.✔️ Easy to Make – No fancy techniques, just good ol’ homemade baking.✔️ Customizable – Use any sprinkles or cookie shapes you like!



These Birthday sugar cookies are perfect to roll out and decorate!
These Birthday sugar cookies are perfect to roll out and decorate!

Birthday Cookie Recipe


Ingredients

Wet Ingredients:

  • 1 cup (2 sticks) salted butter, softened (if using unsalted, add 1 tsp salt)

  • ½ cup light brown sugar, packed

  • ¾ cup white granulated sugar

  • 2 whole eggs + 2 egg yolks

  • 2 tsp vanilla extract

Dry Ingredients:

  • 3 ½ cups all-purpose flour, sifted

  • ⅓ cup cornstarch

Mix-ins:

  • ½ cup sprinkles (or more to taste)


Instructions

Step 1: Cream the Butter & Sugars

  1. In a large mixing bowl, beat butter, brown sugar, and white sugar together until light and fluffy. (Pro tip: Whip it long enough that the color actually lightens—this makes for soft cookies!)

Step 2: Add Eggs & Vanilla

  1. In a separate bowl, crack 2 whole eggs and 2 egg yolks. (I always crack mine into a separate bowl just in case!)

  2. Add vanilla extract and whisk.

  3. Slowly add the egg mixture to the butter and sugar, mixing until just combined.

Step 3: Prepare the Dry Ingredients

  1. In another bowl, sift together flour and cornstarch.

  2. Slowly add dry ingredients to the wet mixture, about 1 cup at a time, mixing on low speed (unless you want a flour explosion in your kitchen 🤣).

Step 4: Fold in the Sprinkles

  1. Toss ½ cup sprinkles with a little bit of flour (this helps them stay evenly distributed in the dough instead of sinking to the bottom).

  2. Gently fold the sprinkles into the dough.

Step 5: Roll & Chill the Dough

  1. Place dough between two sheets of parchment paper.

  2. Roll out to ¼ to ½ inch thickness.

  3. Transfer to a baking sheet and freeze for 10-15 minutes (this makes cutting shapes way easier!).

Step 6: Cut Out Cookies & Bake

  1. Preheat oven to 375°F (190°C).

  2. Use cookie cutters to shape your cookies.

  3. Place cookies on a parchment-lined baking sheet.

  4. Bake for 7-8 minutes (check them at 7—every oven is different!).

  5. Let cool on the pan for a few minutes, then transfer to a wire rack.





Tips for the Best Birthday Cookies

🎂 Chill the Dough: Freezing the dough before cutting helps it hold its shape.🌈 Use Any Sprinkles You Love: I used India Tree’s dye-free sprinkles, but classic rainbow jimmies work great too!🧡 Roll Evenly: Use rolling guides like cake dowels for uniform cookies.

These cookies were a huge hit at my nephew’s party, and I just know they’ll be a winner at your next birthday celebration too! 🎈 Let me know if you try this Birthday Cookie Recipe—tag me on social media with your colorful creations!

Happy baking, y’all! 🍪💖


Watch the video below for an in depth tutorial with all my tips and tricks for making great cookies!






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