Birthday Brownie Sugar Cookies

Section: Indulgent Desserts for Sweet Endings

These birthday brownie sugar cookies blend the rich, fudgy essence of brownies with the soft texture of sugar cookies. Rolled in vibrant rainbow sprinkles, they bring both color and sweetness to your celebrations. Room temperature ingredients help achieve tender dough, while chilling prevents spreading for perfect shapes. The result is a festive, chewy treat that’s easy to prepare and loved by all ages. Variations include adding chocolate chips or using dairy-free options, making them adaptable for dietary preferences. Serve alongside milk or coffee for a delightful moment.

A woman wearing a pink apron is cutting a cake.
Published By Evelyn
Updated as of Wed, 04 Feb 2026 23:17:54 GMT
A close up of a chocolate cookie with chocolate drizzle and sprinkles. Bookmark
A close up of a chocolate cookie with chocolate drizzle and sprinkles. | foodbymary.com

Birthday brownie sugar cookies bring together the fudgy richness of brownies and the soft chewiness of sugar cookies in one delightful treat. These cookies, rolled in colorful rainbow sprinkles, make every celebration feel extra joyful and are simple enough to make any day special. They bake quickly and offer a fun way to enjoy chocolate cookies with a festive twist.

I first made these cookies for a birthday party where everyone kept reaching for more. The combination of brownie-like depth and sugar cookie softness was an instant hit, and now they’re a go-to for celebrations at home.

Ingredients

  • Butter at room temperature: gives the dough a smooth, creamy texture and great flavor choose unsalted for better control of salt
  • Brown sugar: adds moisture and chewiness, so pick a fresh bag for the best results
  • Granulated sugar: balances sweetness and helps the cookies hold their shape
  • Egg: binds ingredients and contributes to softness always use a fresh, large egg
  • Vanilla extract: enhances the chocolate and adds warmth pure vanilla is best for depth
  • All-purpose flour: structure for the cookies use fresh flour and sift for light, tender cookies
  • Cocoa powder: provides rich chocolate flavor Dutch-processed cocoa gives smoother taste while natural cocoa adds more acidity
  • Baking powder: leavens gently to keep cookies tender but not cakey
  • Salt: balances sweetness and intensifies chocolate flavor
  • Rainbow sprinkles: add festive color and texture choose sturdy ones that won’t melt or fade during baking

Step-by-Step Instructions

Sift and Combine the Dry Ingredients:
Sift flour, cocoa powder, baking powder, and salt together to remove lumps and make sure every cookie has even chocolate coverage.
Cream the Butter and Sugars:
Use room temperature butter and beat it with both sugars until light and fluffy. This step traps air for a tender texture and ensures the dough is well blended.
Incorporate Egg and Vanilla:
Add the egg and vanilla extract to the creamed mixture and beat just until combined. Overmixing can make the cookies tough so mix gently.
Mix Dry Ingredients Into Wet:
Slowly add the sifted dry ingredients into the wet mixture, folding carefully until the dough just comes together. Stop as soon as you see no streaks of flour.
Chill the Dough:
Wrap the dough and chill for at least 30 minutes. This firms it up for easier rolling and helps control spreading when baked.
Form Cookie Balls and Roll in Sprinkles:
Divide the dough into even balls about one tablespoon each. Roll each ball in rainbow sprinkles to coat fully, pressing lightly so the sprinkles stick well.
Bake and Cool:
Place cookies on a parchment-lined baking sheet with some space between. Bake in a preheated oven at 350 degrees Fahrenheit for around 10 to 12 minutes until the edges are set but centers remain soft. Let cookies cool on the tray for a few minutes before transferring to a wire rack.
A close up of a chocolate cookie with sprinkles. Bookmark
A close up of a chocolate cookie with sprinkles. | foodbymary.com

My favorite part has always been the rainbow sprinkles. They remind me of the excitement at birthday parties when those first colorful bites are shared with family and friends. Watching those sprinkles catch the light and make each cookie unique turns baking into a joyful moment.

Storage Tips

Keep finished cookies in an airtight container at room temperature to stay fresh for up to five days. If you want to save them longer, freeze baked cookies or dough balls separately. Thaw cookies at room temperature or warm them slightly for a fresh-from-the-oven feel.

Ingredient Substitutions

Cocoa powder can be swapped between natural and Dutch-processed but affect flavor slightly. For dairy-free options, use coconut oil or a vegan butter substitute and check your sprinkles for allergen information. Nut allergies? Leave out any add-ons or choose allergy-safe mixes without nuts.

Serving Suggestions

These cookies are perfect with a cold glass of milk or a cup of coffee. They also pair well with vanilla ice cream for a festive dessert. Try arranging them on a cookie platter for a party to add color and excitement.

Cultural Fun Fact

Combining brownies with sugar cookies is a modern twist born from the desire to blend two favorites into one fun treat. The sprinkle-covered cookie draws inspiration from classic sugar cookies traditionally enjoyed at holidays and celebrations, making these birthday brownie sugar cookies feel nostalgic and new at the same time.

Pro Tips

  • Use room temperature ingredients for ease of mixing and better texture
  • Chilling dough is a must for controlling shape and flavor development
  • Bake just until edges are set so the centers stay soft and chewy

Common Recipe Questions

→ What if I don’t have sprinkles?

You can omit the sprinkles or replace them with chopped nuts or mini chocolate chips to add texture and flavor.

→ Can I use different cocoa powder types?

Yes, natural or Dutch-processed cocoa powder can be used depending on your taste preference and desired color intensity.

→ How to prevent the cookies from spreading too much?

Chilling the dough before baking firms it up, helping the cookies hold their shape and maintain a chewy center.

→ Can the dough be prepared ahead of time?

Yes, refrigerate the dough for up to two days to allow flavors to meld and to bake fresh cookies later.

→ Are there dairy-free or gluten-free options?

Dairy-free butter substitutes and gluten-free flour blends can be used to accommodate dietary needs without sacrificing taste.

→ How should the cookies be stored?

Store in an airtight container at room temperature for up to five days, or freeze for longer storage.

Birthday Brownie Sugar Cookies

Soft, chewy sugar cookies with fudgy brownie flavor and vibrant rainbow sprinkles for any celebration.

Prep Time
15 minutes
Cooking Time
12 minutes
Complete Time
27 minutes
Published By: Evelyn

Recipe Category: Desserts

Skill Level: Beginner-Friendly

Cuisine Type: American

Total Portions: 24 Serves How Many (Approximately 24 cookies)

Dietary Preferences: Vegetarian-Friendly

Required Ingredients

→ Dry Ingredients

01 170 g all-purpose flour
02 30 g unsweetened cocoa powder
03 ½ teaspoon baking soda
04 ¼ teaspoon salt

→ Wet Ingredients

05 115 g unsalted butter, softened
06 150 g granulated sugar
07 1 large egg, room temperature
08 1 teaspoon vanilla extract

→ Decoration

09 50 g rainbow sprinkles

Step-by-Step Instructions

Step 01

Preheat the oven to 175°C and line baking sheets with parchment paper.

Step 02

Whisk together flour, cocoa powder, baking soda, and salt in a medium bowl until evenly mixed.

Step 03

In a large bowl, beat softened butter and granulated sugar until light and fluffy, approximately 2-3 minutes.

Step 04

Incorporate the egg and vanilla extract into the creamed mixture and beat until blended.

Step 05

Gently fold the dry ingredients into the wet ingredients until just combined. Avoid overmixing to maintain a tender texture.

Step 06

Cover the dough and refrigerate for at least 30 minutes to firm up and prevent excessive spreading during baking.

Step 07

Scoop tablespoon-sized dough balls and roll them evenly in rainbow sprinkles before placing on the prepared baking sheets about 5 cm apart.

Step 08

Bake in the preheated oven for 10-12 minutes or until the edges are set but the centers remain soft and chewy.

Step 09

Allow cookies to cool on baking sheets for 5 minutes, then transfer to wire racks to cool completely before serving.

Handy Cooking Tips

  1. Ensure butter and egg are at room temperature for optimal mixing and texture.
  2. Chilling the dough improves shape retention and enhances flavor depth.
  3. Monitor baking time closely to maintain a soft, chewy center.

Necessary Kitchen Tools

  • Mixing bowls
  • Electric mixer or hand whisk
  • Measuring spoons and scale
  • Baking sheets
  • Parchment paper
  • Wire cooling rack

Allergy Details

Always check ingredient packaging for potential allergens and consult a healthcare professional when in doubt.
  • Contains gluten and eggs
  • Contains dairy

Nutritional Information (Per Serving)

These nutrition details are for guidance and don’t replace professional advice.
  • Calories: 150
  • Fat: 6 grams
  • Carbohydrates: 22 grams
  • Proteins: 2 grams