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The Best Sheet Pan Cookie Cake: Birthday Bliss Awaits

Published: Jul 2, 2025 by Clara Pepper · This post may contain affiliate links ·

The other day, I stumbled upon a delightful sight: my friends gathered around a lavish birthday celebration, and instead of the usual bakery-concocted sweets, a big, beautiful Giant Chocolate Chip Sheet Pan Cookie Cake stole the show! Just the sight of it made my mouth water, and I couldn't help but think about how effortlessly this dessert becomes the star of any gathering. Packed with chocolate chips and baked to perfection on a half-sheet pan, it’s the ultimate go-to for any celebration, whether it’s a cozy family gathering or a bustling birthday bash.

This Sheet Pan Cookie Cake is not just a treat for the eyes; it’s super easy to whip up and perfect for sharing. Imagine slicing it into generous squares and serving them warm, topped with a heavenly homemade vanilla buttercream frosting that tastes like a dream! Plus, it’s easily customizable with sprinkles or fun birthday decorations to match any theme. Are you ready to create a cake that’ll have everyone asking for seconds? Let me guide you through this unforgettable recipe!

Why is Sheet Pan Cookie Cake Perfect?

Simplicity at its finest: This easy-to-follow recipe means you can whip up a delicious dessert without any hassle, perfect for any skill level.

Crowd-Pleasing goodness: With its generous size, you can feed a large group, making it ideal for birthdays and gatherings.

Fresh Flavor from homemade frosting: The creamy vanilla buttercream takes this cake to the next level, surpassing store-bought options.

Customizable delights: Add fun toppings like sprinkles or M&M's, allowing you to personalize it for any celebration.

Perfectly Chewy texture: Enjoy that delightful soft-baked cookie feel that everyone adores, ensuring it’s a hit with friends and family.

If you're interested in other cookie variations, check out my delightful recipe for Pineapple Upside Down Sugar Cookies!

Sheet Pan Cookie Cake Ingredients

Get ready to bake this scrumptious dessert!

For the Cookie Cake
• Unsalted Butter – Provides richness and structure; crucial for the best flavor. (1 cup, i.e. 2 sticks)
• Light Brown Sugar – Adds moisture and a chewy texture, making every bite delectable. (1 cup, packed)
• Granulated Sugar – Sweetens up the cake and adds just the right amount of crispness. (½ cup)
• Large Eggs – Contributes structure and richness, helping the cake hold together beautifully. (2)
• Vanilla Extract – Infuses a warm, comforting flavor, making the cake irresistible. (1 tablespoon)
• Baking Soda – A leavening agent that helps with spread and browning for that perfect look. (1 teaspoon)
• Baking Powder – Adds rise to keep your cookie cake fluffy and light. (½ teaspoon)
• Salt – Enhances all the flavors, making the sweetness stand out. (½ teaspoon)
• All-Purpose Flour – Provides structure for the cookie cake; don’t substitute without a plan! (3 cups)
• Semi-Sweet Chocolate Chips – Packed with chocolate flavor and texture; the star of this Sheet Pan Cookie Cake! (2 cups, 1 cup chopped, 1 cup whole)

For the Vanilla Buttercream Frosting
• Unsalted Butter – Ensures a rich and creamy frosting; softened is key for easy mixing. (¾ cup, i.e., 1 ½ sticks)
• Powdered Sugar – Provides the ideal sweetness and structure for the frosting. (3 ¾ cups)
• Vanilla Extract – Adds a lovely flavor dimension to your frosting. (1 tablespoon)
• Salt – Balances sweetness, making the frosting absolutely divine. (¼ teaspoon)
• Milk – Adjusts frosting consistency for easy spreading. (3 tablespoons)

Step-by-Step Instructions for Sheet Pan Cookie Cake

Step 1
Begin by preheating your oven to 350°F (175°C). This crucial step ensures an evenly baked, deliciously chewy Sheet Pan Cookie Cake. While the oven heats, you can easily prepare the batter for this irresistible dessert. Grab a large mixing bowl and a rubber spatula; you'll need them throughout the process.

Step 2
Take 1 cup of semi-sweet chocolate chips and chop them into smaller pieces using a knife or by pulsing them briefly in a food processor. This not only enhances the distribution of chocolate in your Sheet Pan Cookie Cake but also creates delightful melty pockets throughout, ensuring that every bite is bursting with chocolate goodness.

Step 3
Melt 1 cup of unsalted butter in a microwave-safe bowl, heating it in 30-second intervals until completely liquefied. Be sure to keep an eye on it to prevent boiling. Once melted, let the butter cool slightly before combining it with the sugars to create a rich, flavorful base for your cookie cake.

Step 4
In that same bowl, add 1 cup of packed light brown sugar and ½ cup of granulated sugar to the melted butter. Using a whisk or a hand mixer, beat them together until the mixture is smooth and well-combined. The sugars will help impart a lovely sweetness and chewy texture to your Sheet Pan Cookie Cake.

Step 5
Next, add 2 large eggs and 1 tablespoon of vanilla extract into the mixture. Mix everything thoroughly until it’s perfectly blended. This step introduces the essential flavor and binds the ingredients together, ensuring a wonderfully rich texture in your cookie cake.

Step 6
Incorporate 1 teaspoon of baking soda, ½ teaspoon of baking powder, and ½ teaspoon of salt into the mixture. Stir well to ensure everything is evenly distributed; this step is essential for the right rise and flavor in your Sheet Pan Cookie Cake. The batter should start to feel thick and luscious at this point.

Step 7
Gradually add in 3 cups of all-purpose flour, mixing until just combined. Make sure you don’t overmix; stopping when there are still a few flour streaks left will result in a soft, chewy cake. You’ll see the color change to a beautiful golden hue, which means you’re on the right track!

Step 8
Gently fold in your chopped and whole chocolate chips (1 cup chopped and 1 cup whole) until they’re evenly distributed throughout the dough. This is when the cookie dough starts to shine, and you know your Sheet Pan Cookie Cake is going to be packed with delicious chocolate in every bite.

Step 9
Prepare your baking pan by greasing a 13x18-inch half-sheet pan or lining it with parchment paper for easy removal later. Press the cookie dough evenly into the bottom of the pan using your fingers or a spatula to create a smooth, even layer; this will help in achieving that perfect chewy texture across the whole cake.

Step 10
Bake your Sheet Pan Cookie Cake in the preheated oven for 16-18 minutes, watching carefully as the edges begin to turn lightly golden. Remember, a slightly underbaked center is key for that chewy texture we all love. When done, the top should look set and just beginning to brown, signaling it’s time to take it out!

Step 11
Once removed from the oven, allow the cookie cake to cool in the pan for about 15-20 minutes. This cooling time not only helps set the structure but also makes handling it much easier. Patience pays off as you prepare for the delicious frosting that will soon adorn your cake.

Step 12
While your cake is cooling, prepare the vanilla buttercream frosting. Beat ¾ cup of softened unsalted butter in a mixing bowl for about 2 minutes on medium-high speed until it’s smooth and creamy. This step ensures you get that luscious, buttery texture that will elevate your Sheet Pan Cookie Cake.

Step 13
Gradually add in 3 ¾ cups of powdered sugar while mixing on medium speed. This will thicken the frosting up and create that sweet, decadent topping we all crave. Don’t forget to scrape down the sides of the bowl occasionally to ensure everything is fully blended.

Step 14
After the sugar is incorporated, add 1 tablespoon of vanilla extract and ¼ teaspoon of salt, mixing until smooth. For the perfect consistency, drizzle in 3 tablespoons of milk slowly until your frosting reaches the desired thickness. Beat on high for another 2-3 minutes for a fluffy finish that will create a dreamy topping for your cookie cake.

Step 15
Once the cake has completely cooled, it’s time to frost! Spread the prepared vanilla buttercream over the top of your Sheet Pan Cookie Cake, piping it around the edges for an extra decorative touch. The creamy frosting adds richness that beautifully balances the sweetness of the cookie.

Step 16
Finally, finish off your creation with a sprinkle of fun toppings, such as colorful sprinkles, to give it a festive flair. If desired, use a piping tip or a ziploc bag with a small hole to pipe birthday numbers or small decorations directly onto the frosting to make it truly special for your celebration.

How to Store and Freeze Sheet Pan Cookie Cake

Room Temperature: Store frosted cookie cake in an airtight container for up to 2 days. Wrap any leftovers to maintain freshness without drying out.

Fridge: If you have leftovers after 2 days, refrigerate the cake for up to a week. Just remember to cover it loosely to avoid condensation.

Freezer: To freeze unfrosted cookie cake, wrap it tightly in plastic wrap and then in foil. It remains delicious for up to 3 months. Let it thaw completely before frosting.

Reheating: For a warm treat, pop slices in the microwave for about 10-15 seconds. Enjoy the chewy goodness of your Sheet Pan Cookie Cake fresh and warm again!

Make Ahead Options

These Sheet Pan Cookie Cakes are perfect for busy home cooks! You can prepare the cookie dough up to 24 hours in advance, storing it tightly wrapped in the refrigerator to maintain freshness. For the best results, mix the dry ingredients ahead of time and combine them with wet ingredients just before baking. If you'd like to freeze the unfrosted sheet cake, wrap it in plastic wrap and aluminum foil, then freeze for up to 3 months. When ready to serve, let it thaw overnight in the fridge, and then frost with your homemade vanilla buttercream just before your event for that freshly-made taste every time!

Helpful Tricks for Sheet Pan Cookie Cake

Chill the Dough: Allow the cookie dough to chill in the fridge for 30 minutes before baking; this prevents excessive spreading and promotes a thicker cookie cake.

Proper Layering: Make sure to spread the dough evenly in the pan to ensure uniform baking; this will help avoid any over- or undercooked spots.

Don't Overbake: Keep an eye on the edges while baking; slightly underbaked centers lead to that perfect chewy texture in your Sheet Pan Cookie Cake.

Cool Completely: Always let the cake cool completely before frosting; this helps the buttercream maintain its shape and prevents it from melting into the cake.

Versatile Frosting: Feel free to experiment with the frosting; add flavors like almond or chocolate, or even pop in some crushed cookies for added texture!

Sheet Pan Cookie Cake Variations

Feel free to make this delightful recipe your own and add some personal flair!

  • Gluten-Free: Substitute all-purpose flour with a gluten-free blend for a safe option that’s equally delicious. Experiment with various blends for texture!

  • Add-Ins: Toss in M&M's, nuts, or even dried fruit to the dough for a fun twist. These additions bring delightful little surprises in every bite.

  • Frosting Alternatives: Try cream cheese frosting instead of vanilla buttercream for a tangy kick. It's an exciting alternative that pairs wonderfully with chocolate!

  • Flavored Extracts: Swap vanilla extract for almond or hazelnut for a distinctive flavor profile. These extracts elevate the aromatic experience of your cookie cake.

  • Sprinkles Galore: Make holidays more festive by adding colored sprinkles to the top or inside the cookie dough for a fun pop of color. Everyone loves a cheerful cake!

  • Brown Butter: For a deeper flavor, brown the unsalted butter before mixing it into the batter. This will add subtle nutty notes that enhance the cookie’s richness.

  • Layered Delight: Cut the cookie cake in half and layer with frosting and fresh fruits like strawberries or raspberries in between for a show-stopping presentation. Guests will be in awe!

  • Mini Versions: Use a mini muffin tin for bite-sized cookie cakes; perfect for parties! These delightful treats are easy to eat and equally scrumptious!

What to Serve with Sheet Pan Cookie Cake?

A warm and chewy dessert deserves equally delightful companions to create a well-rounded meal experience.

  • Vanilla Ice Cream: The classic pairing! Creamy vanilla ice cream melts over warm slices, enhancing the cookie cake's rich chocolate flavor.

  • Fresh Berries: Strawberries, raspberries, or blueberries add a refreshing burst and a sweet-tart contrast, balancing the cookie's sweetness beautifully.

  • Whipped Cream: Light and fluffy, a dollop of homemade whipped cream introduces an airy texture that complements the dense cookie cake perfectly.

  • Coffee or Espresso: A warm cup of coffee brings out the depth of the chocolate chips and enhances the dessert's warm, comforting vibes.

  • Milkshake: A thick chocolate milkshake creates a deliciously indulgent dessert experience, perfect for those special birthday moments.

  • Fruit Salad: A light, zesty fruit salad provides a refreshing palate cleanser, ensuring a delightful finish to your meal.

  • Chocolate Sauce: Drizzle some chocolate sauce over each slice for a rich, decadent touch that chocolate lovers will adore.

  • Nutella Dip: Create a fun dipping station with Nutella for extra gooey satisfaction alongside the chewy cookie cake.

Pairing these delightful sides with your Sheet Pan Cookie Cake will certainly elevate your celebrations and create unforgettable memories!

Sheet Pan Cookie Cake Recipe FAQs

Can I use a cookie sheet to bake a cake?
Absolutely! A cookie sheet can be used, but it’s better to use a half-sheet pan for your Sheet Pan Cookie Cake. A cookie sheet has lower sides and no edges, which may cause the batter to spread out more than desired. A pan with higher sides helps in keeping the cake at a nice thickness and prevents spills.

What is the difference between a cookie sheet and a sheet cake pan?
A cookie sheet is typically flat with no sides or shallow edges, making it great for cookies but not ideal for liquid batters. In contrast, a sheet cake pan has higher sides, allowing for thicker cakes like the Sheet Pan Cookie Cake. This design helps retain moisture and prevents overflow while baking.

Can I bake cookies directly on a cookie sheet?
Yes, you can bake cookies directly on a cookie sheet! However, if using a cookie sheet for your cookie cake, ensure the batter is thick enough, as it might spread more without the sides of a pan to contain it.

What's the difference between sheet cake and regular cake?
Sheet cake is specifically baked in a flat, rectangular pan, which results in a thinner cake compared to traditional round cakes, making it easier to serve a large number of people. The Sheet Pan Cookie Cake is a great example of how this shape works for both aesthetics and practicality during celebrations.

Can I use a cookie sheet instead of a baking sheet?
The terms are often interchangeable; however, baking sheets usually refer to pans with a raised edge, while cookie sheets are flat. For best results with the Sheet Pan Cookie Cake, go for a baking sheet to contain the batter perfectly during baking.

What is a Texas sheet cake?
A Texas sheet cake is a specific type of sheet cake that typically includes chocolate and is topped with a rich, warm chocolate frosting. While it's different from our delicious Sheet Pan Cookie Cake, both recipes bring joy and flavor to any gathering!

Sheet Pan Cookie Cake
Clara Pepper

The Best Sheet Pan Cookie Cake: Birthday Bliss Awaits

A delightful and easy-to-make Sheet Pan Cookie Cake that is perfect for any celebration, featuring a homemade vanilla buttercream frosting.
Print Recipe Pin Recipe
Prep Time 15 minutes mins
Cook Time 18 minutes mins
Total Time 33 minutes mins
Servings: 12 servings
Course: Dessert
Cuisine: American
Calories: 350
Ingredients Method Nutrition Notes

Ingredients
  

  • 1 cup unsalted butter
  • 1 cup light brown sugar
  • ½ cup granulated sugar
  • 2 large eggs
  • 1 tablespoon vanilla extract
  • 1 teaspoon baking soda
  • ½ teaspoon baking powder
  • ½ teaspoon salt
  • 3 cups all-purpose flour
  • 2 cups semi-sweet chocolate chips
  • ¾ cup unsalted butter for frosting
  • 3 ¾ cups powdered sugar
  • 1 tablespoon vanilla extract for frosting
  • ¼ teaspoon salt for frosting
  • 3 tablespoons milk

Method
 

  1. Preheat your oven to 350°F (175°C).
  2. Chop 1 cup of semi-sweet chocolate chips into smaller pieces.
  3. Melt 1 cup of unsalted butter in a microwave-safe bowl.
  4. Add 1 cup of packed light brown sugar and ½ cup of granulated sugar to the melted butter and mix.
  5. Add 2 large eggs and 1 tablespoon of vanilla extract, mixing until blended.
  6. Incorporate 1 teaspoon of baking soda, ½ teaspoon of baking powder, and ½ teaspoon of salt into the mixture.
  7. Gradually add in 3 cups of all-purpose flour until just combined.
  8. Fold in the chopped and whole chocolate chips.
  9. Prepare your baking pan by greasing or lining it with parchment paper.
  10. Bake for 16-18 minutes until edges are lightly golden.
  11. Allow to cool in the pan for 15-20 minutes.
  12. Prepare the vanilla buttercream by beating ¾ cup of softened unsalted butter until creamy.
  13. Gradually add 3 ¾ cups of powdered sugar while mixing.
  14. Add 1 tablespoon of vanilla extract and ¼ teaspoon of salt, mixing until smooth. Drizzle in 3 tablespoons of milk to reach desired consistency.
  15. Spread the frosting over the cooled cookie cake.
  16. Finish with colorful sprinkles or decorations as desired.

Nutrition

Serving: 1squareCalories: 350kcalCarbohydrates: 45gProtein: 3gFat: 15gSaturated Fat: 10gPolyunsaturated Fat: 5gCholesterol: 50mgSodium: 200mgFiber: 1gSugar: 30g

Notes

  • Chill the dough for 30 minutes before baking to prevent spreading.
  • Spread dough evenly to ensure uniform baking.
  • Don’t overbake; slightly underbaked centers lead to a chewy texture.
  • Allow the cake to cool completely before frosting.
  • Experiment with frosting flavors for variety.

Tried this recipe?

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About Clara Pepper, Pastry Chef

Self-taught baker turned Paris-trained pastry pro, I’m here to help you create bakery-worthy cakes in an everyday kitchen.

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