15 Cookie Cake Decorating Ideas That Are Sweet and Fun -

Giant cookie cakes are a fun way to celebrate any occasion. They’re easy to decorate and can be made for birthdays, holidays, or just because.

A large decorated cookie cake with chocolate chips and colorful sprinkles, topped with white frosting rosettes around the edge, on a white platter.

Anyone can style these sweet treats with colorful icing, candies, or themed toppers to make their cookie cake both eye-catching and delicious. Whether for a party or as a special gift, a decorated cookie cake is sure to bring a smile to everyone’s face.

Chocolate Squares

Craving candy and cookies? This sweet combo is decked out with frosting swirls, rainbow sprinkles, and whole chocolate bar squares for double the delight.

Hello Kitty

A large chocolate chip cookie cake decorated with a fondant cartoon character face, surrounded by dollops of whipped cream and colorful sprinkles, on a kitchen countertop.

A playful Hello Kitty topper steals the spotlight on this sprinkle-filled cookie cake. Piped stars and pastel accents add an extra dose of charm. Perfect for surprising a Sanrio fan of any age!

Smiley Face

Who can resist a giant cookie smiling back at you? Colorful sprinkles and a royal icing border make it feel cheerful from every angle.

Chocolate Drizzle

A large cookie cake drizzled with chocolate and topped with dollops of chocolate and vanilla frosting, chocolate chips, and colorful sprinkles, placed on a white countertop.

Drizzled chocolate make this cookie cake a seriously indulgent treat. Piped swirls of frosting and rainbow sprinkles turn it into an instant crowd-pleaser.

Garden Theme

A decorated cookie cake on a white plate, adorned with off-white frosting swirls, green fondant leaves, and colorful sprinkles and chocolate chips; two small fondant flowers, one pink and one yellow, are placed in the center, with a kitchen setting in the background.

Bright royal icing leaves and florals create a charming garden theme. A fun pick if you’re after something fresh, sweet, and totally adorable!

Colorful Sprinkles and Candy Dots

Give your cookie cake a burst of personality with bright sprinkles and candy dots! The chocolate chips and piped border make it playful and party-perfect.

Edible Pastel Hearts

A large chocolate chip cookie on a plate decorated with colorful heart-shaped fondant pieces and dollops of frosting with sprinkles around the edge.

Pastel heart toppers and swirls of icing make your cookie cake extra charming. Want a sweet way to show love? This one’s perfect for the occasion.

Pastel Icing

A large chocolate chip cookie decorated with piped white and pink frosting flowers and colorful sprinkles around the edge, placed on a white plate.

Surrounded by piped icing in soft white and pink tones with scattered sprinkles, this design feels both cheerful and classic. Sometimes, simple really is the sweetest.

Caramel Drizzle

Looking for a crowd-pleaser? This cookie cake is drizzled with golden caramel, topped with whipped frosting swirls, and finished with colorful sprinkles for the perfect mix of sweet and playful.

Halloween Theme

Halloween just got sweeter! Topped with ghosts, pumpkins, and a candy web, this festive cookie cake makes decorating a total treat for the eyes—and your taste buds.

Birthday Cookie Cake

A large chocolate chip cookie cake with "Happy Birthday" written in pink frosting, decorated with white frosting and colorful sprinkles around the edges.

Got a birthday party coming up? Switch things up with a classic, cheerful, and easy-to-love cookie cake. A royal icing “Happy Birthday” message and a swirl of sprinkles turn this cookie cake into a sweet birthday centerpiece.

Red Roses

Adorned with edible red roses, cookie cake looks like it belongs in a bakery window. A perfect pick for Valentine’s Day or any romantic occasion!

Royal Icing Basketball

A large cookie decorated with a basketball design made of orange icing and black lines in the center. The cookie is bordered with colorful sprinkles, chocolate chips, and piped white icing swirls.

Perfect for your favorite player, this cookie cake brings game-day vibes with a bright basketball center. Chocolate chips and frosting swirls keep the fun going around the rim.

Colorful Piped Borders

A large decorated cookie cake on a table, topped with chocolate chips, rainbow sprinkles, and colorful frosting swirls around the edge.

Piped royal icing borders in every color of vibrant hues make this cookie cake pop with personality. Bright, bold, and impossible to ignore—this one’s ready to steal the show.