M&M Cookie Cake is the recipe that Teresa makes every most beloved birthday and every most colorfully anticipated celebration when she wants to create the most completely extraordinary and the most genuinely joyful individual giant cookie cake that is simultaneously the most beautifully simple to assemble and the most dramatically impressive individual dessert centerpiece — because the most brilliantly conceived giant individual chocolate chip and M&M cookie pressed into a single round pan and baked to the most perfectly golden-edged and the most gorgeously soft-centered individual result.
Then cooled and the most generously frosted with the most vanilla buttercream swirled in the most beautiful individual rosettes and decorated with additional M&Ms pressed most artfully into the most freshly piped individual frosting, creates the most completely extraordinary and the most genuinely crowd-stopping individual celebration cookie cake that delights every single individual age group from the most enthusiastic small child to the most nostalgic adult.
M&M Cookie Cake is the most easy and deeply extraordinary 35-minute giant birthday celebration cookie cake made by creaming butter and sugars adding egg yolk vanilla flour baking soda salt chocolate chips and M&Ms pressing into round pan baking at 350°F for 18 to 22 minutes decorating with vanilla buttercream and M&Ms. Come follow us on Pinterest where we share beautiful celebration recipes and easy birthday favorites from our kitchen every single week.
Table of Contents
Why You Will Love This M&M Cookie Cake Recipe

This M&M Cookie Cake recipe is the most completely extraordinary and the most genuinely joyful individual giant birthday cookie cake that delivers the most beautifully chewy and the most properly golden-edged individual giant cookie texture in the most impressively large and the most colorfully M&M-studded individual celebration format — no individual layer stacking, no individual crumb coating, and no most complicated individual decorating technique required.
The most critical individual technique for the most beautifully chewy and the most properly golden individual giant cookie cake texture is using one egg plus one extra egg yolk rather than two whole eggs — the most additional individual egg yolk fat without the most binding egg white protein produces the most beautifully dense and the most properly chewy individual giant cookie center that would otherwise the most quickly dry out in the most large individual format. Our Chocolate Chip Cake makes a beautifully equally chocolate chip celebration and equally birthday-perfect companion for a complete and wonderful celebration baking collection.
Ingredients Needed for This M&M Cookie Cake Recipe
For the Giant M&M Cookie Cake:
- 2 cups All-Purpose Flour
- 1 tsp Baking Soda
- ½ tsp Salt
- ¾ cup Unsalted Butter, softened
- ¾ cup Packed Brown Sugar
- ¼ cup Granulated Sugar
- 1 large Egg plus 1 Egg Yolk, room temperature
- 2 tsp Pure Vanilla Extract
- ½ cup Semi-Sweet Chocolate Chips
- ¾ cup M&Ms, divided (½ cup in dough, ¼ cup pressed on top before baking)
For the Vanilla Buttercream Decoration:
- ½ cup Unsalted Butter, room temperature
- 2 to 3 cups Powdered Sugar, sifted
- 1 to 2 tbsp Heavy Cream
- 1 tsp Pure Vanilla Extract
- Pinch of Salt
- Additional M&Ms for decoration
How to Make This M&M Cookie Cake Recipe
Preheat the oven to 350°F (175°C). Grease a 12-inch round pizza pan or a 9-inch round cake pan with cooking spray. Line with parchment paper.
Whisk the flour, baking soda, and salt together in a medium bowl. Set aside.
In a large bowl, beat the softened butter, brown sugar, and granulated sugar together on medium-high for 2 to 3 minutes until the most light and the most beautifully fluffy. Add the egg, extra egg yolk, and vanilla. Mix until the most well combined, cara mia.
Add the flour mixture and mix on low just until combined. Fold in the chocolate chips and half a cup of M&Ms.
Press the cookie dough most evenly into the prepared pan — the most uniform individual thickness ensures the most evenly baked individual giant cookie. Press the remaining quarter cup of M&Ms most decoratively into the individual dough surface.
Bake for 18 to 22 minutes until the edges are set and the most golden brown but the center still appears the most slightly underdone. The most center will firm the most significantly during cooling — do not overbake.
Cool completely in the pan before decorating — at least 45 minutes.
For the vanilla buttercream, beat the room-temperature butter until the most pale and fluffy. Add sifted powdered sugar, cream, vanilla, and salt. Beat medium-high for 2 to 3 minutes until the most incredibly fluffy. Transfer to a piping bag with a large star tip and pipe individual swirled rosette border around the individual cookie cake edge. Press additional M&Ms into the individual frosting rosettes.
How to Serve This M&M Cookie Cake Recipe
Serve at room temperature for the most beautifully softened individual buttercream and the most properly set individual giant cookie texture. Cut into individual wedges from the round individual cookie cake for the most completely charming and the most generously sized individual birthday serving.
For the most completely extraordinary individual birthday presentation, write a birthday message in the most reserved individual vanilla buttercream using a small individual writing tip piped most carefully in the most open center of the cookie cake for the most beautifully personalized and the most genuinely festive individual birthday cookie cake centerpiece. Our Funfetti Cookie Cake makes a beautifully equally sprinkle-joyful and equally giant-birthday companion for a complete and wonderful cookie cake collection.
How to Store This M&M Cookie Cake Recipe
Store in an airtight container at room temperature for up to 4 days. The most individual giant cookie stays the most beautifully chewy throughout the most entire storage period. Refrigerate for up to one week if frosted with buttercream — allow 20 minutes at room temperature before serving for the most properly softened individual frosting.
Tips to Make This M&M Cookie Cake Recipe

Press the individual M&Ms into the individual dough the most gently before baking rather than the most forcefully — the most gently pressed individual M&Ms remain the most visibly prominent on the surface while the most deeply pushed individual M&Ms disappear into the surrounding individual dough during baking. The most visual impact of individual M&Ms is the most dramatically greater when they are the most visible on the finished individual surface.
For the most properly chewy individual giant cookie center that does not dry out during the most extended individual baking time required for the most large individual format, wrap the most completely cooled individual giant cookie tightly in plastic wrap for the most first 30 minutes before decorating — the trapped individual steam the most significantly enhances the most essential individual chewy texture.
Helpful Notes for This M&M Cookie Cake Recipe
For the most beautifully defined individual piped rosette border, chill the assembled individual buttercream in the piping bag for 10 minutes before piping — the most slightly cold individual buttercream holds the most cleanly defined individual shape far more effectively than room-temperature individual buttercream.
Choose the most brightly colored individual M&Ms for the most visually dramatic individual presentation — the most holiday-seasonal individual M&M varieties offer the most specifically themed individual color combinations that the most perfectly coordinate with any individual celebration theme.
Variation of This M&M Cookie Cake Recipe
Maria made a version using peanut M&Ms in place of regular M&Ms for the most completely extraordinary and the most delightfully crunchy individual peanut M&M giant cookie cake. Teresa tried a dark chocolate M&M version using dark chocolate M&Ms throughout for the most completely extraordinary and the most deeply sophisticated individual dark chocolate M&M cookie cake.
For a seasonal holiday version, use Christmas red and green M&Ms with a red and green individually tinted buttercream border for the most completely extraordinary and the most properly festive individual Christmas M&M cookie cake. Our Circus Animal Cookie Cake makes a beautifully equally giant decorated and equally birthday-joyful companion for a complete and wonderful giant cookie cake collection.
FAQs About This M&M Cookie Cake Recipe
Can I make this in a regular 9-inch cake pan instead of a pizza pan?
Yes. A standard 9-inch round cake pan produces the most beautifully thick and the most properly tall individual cookie cake with the most dramatically well-defined individual thick edge and the most properly soft individual center. A 12-inch pizza pan produces the most thinner and the most evenly spread individual cookie cake with the most beautifully crunchy individual edge and the most elegant individual format. Both produce equally extraordinary individual results.
Why use brown sugar instead of all granulated sugar?
Brown sugar contributes the most deeply caramelized and the most warmly molasses-rich individual sweetness that produces the most properly chewy individual cookie texture through the most hygroscopic nature of the most individual molasses in the brown sugar — the most individual molasses attracts and retains the most essential moisture for the most beautifully chewy and the most long-lasting soft individual cookie texture. All granulated sugar produces a the most crisp and the most less chewy individual result.
How do I remove the cookie cake from the pan cleanly?
After the most complete cooling, run a thin knife around the inside edge of the individual pan, then lift using the most parchment paper overhang onto a serving board or decorating surface. For the most round pizza pan format without the most parchment overhang, cool the most completely and then slide a flat spatula under the individual entire cookie cake in one most confident sweep to release and transfer.
Conclusion
This M&M Cookie Cake is the most completely extraordinary and the most genuinely joyful giant birthday celebration cookie cake that makes every birthday and every gathering feel genuinely and completely festive through the most beautifully chewy brown sugar butter individual cookie base and the most colorfully abundant M&Ms and the most beautifully piped vanilla buttercream rosette border in every single generously individual and completely irresistible M&M cookie cake wedge.
We hope it brings the same deeply joyful M&M cookie cake birthday celebration and the same completely delighted table to your kitchen that it has always brought to ours. Make it, share it, and come back to tell us all about it. With all our love, Maria, Lucia, and Teresa.
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M&M Cookie Cake The Most Easy Giant Chewy Brown Sugar Butter Vanilla M&M Chocolate Chip Birthday Cookie Cake You Will Bake
- Total Time: 1 hour 15 minutes including cooling
- Yield: 10 to 12 servings 1x
- Diet: Vegetarian
Description
The most extraordinary giant chewy M&M Cookie Cake made by preheating oven to 350°F greasing 12-inch round pan or 9-inch round pan with parchment whisking 2 cups flour 1 tsp baking soda and 1/2 tsp salt beating 3/4 cup softened butter 3/4 cup packed brown sugar and 1/4 cup granulated sugar medium-high 2 to 3 minutes light and fluffy adding 1 room temperature egg 1 extra yolk and 2 tsp vanilla mixing well adding flour mixture on low just combined folding in 1/2 cup chocolate chips and 1/2 cup M&Ms pressing evenly into pan decorating surface with remaining 1/4 cup M&Ms gently pressed baking 18 to 22 minutes until edges set and golden and center still slightly underdone cooling completely minimum 45 minutes then beating 1/2 cup room temperature butter pale and fluffy adding 2 to 3 cups sifted powdered sugar cream vanilla and salt beating 2 to 3 minutes fluffy piping rosette border around edge and pressing M&Ms into rosettes. A completely perfect giant chewy brown sugar M&M birthday cookie cake recipe.
Ingredients
2 cups All-Purpose Flour
1 tsp Baking Soda
1/2 tsp Salt
3/4 cup Unsalted Butter softened
3/4 cup Packed Brown Sugar
1/4 cup Granulated Sugar
1 large Egg plus 1 Egg Yolk room temperature
2 tsp Pure Vanilla Extract
1/2 cup Semi-Sweet Chocolate Chips
3/4 cup M&Ms divided
1/2 cup Unsalted Butter room temperature for buttercream
2 to 3 cups Powdered Sugar sifted
1 to 2 tbsp Heavy Cream
1 tsp Pure Vanilla Extract for buttercream
Pinch of Salt
Additional M&Ms for decoration
Instructions
1. Preheat oven to 350°F 175°C. Grease 12-inch round pan or 9-inch round pan. Line with parchment.
2. Whisk flour, baking soda, and salt. Set aside.
3. Beat softened butter, brown sugar, and granulated sugar medium-high 2 to 3 minutes light and fluffy.
4. Add egg, extra yolk, and vanilla. Mix well combined.
5. Add flour mixture on low just combined.
6. Fold in chocolate chips and 1/2 cup M&Ms.
7. Press evenly into prepared pan. Press remaining 1/4 cup M&Ms decoratively onto surface.
8. Bake 18 to 22 minutes until edges set and golden and center still slightly underdone. Do not overbake.
9. Cool completely minimum 45 minutes.
10. Beat room temperature butter pale and fluffy. Add powdered sugar, cream, vanilla, and salt. Beat 2 to 3 minutes fluffy.
11. Pipe rosette border around edge. Press additional M&Ms into rosettes.
- Prep Time: 15 minutes
- Cook Time: 22 minutes
- Category: Dessert, Cookie Cake, Birthday, Celebration
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 385
- Sugar: 38g
- Sodium: 185mg
- Fat: 18g
- Saturated Fat: 11g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 53g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 60mg
Keywords: M&M cookie cake, easy giant chewy M&M cookie cake recipe brown sugar butter vanilla chocolate chip birthday, best giant M&M birthday cookie cake, chewy brown sugar butter M&M chocolate chip birthday celebration cookie cake
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