These bakery-style Rocky Road Cookies are thick, rich, and loaded with gooey marshmallows, melted chocolate chips, and crunchy cashews. With lightly crisp edges and soft, brownie-like centers, these Levain-inspired chocolate cookies bring together everything you love about classic rocky road!
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Table of Contents
The Science Behind Levain Bakery Rocky Road Cookies
- Cold Butter Solid Fat Matrix & High Thermal Shock (410°F Bake): Beating cold, cubed butter ($50^{\circ}\text{F}–55^{\circ}\text{F}$) retains intact saturated fat crystals within the dough mass. Baking these massive 6-ounce dough mounds in an ultra-hot $410^{\circ}\text{F}$ ($210^{\circ}\text{C}$) oven triggers rapid exterior starch gelatinization and Maillard browning, creating a rigid outer crust before the interior cold butter fats can liquefy and spread horizontally.
- Cake Flour Starch Dilution & Gelatinized Cornstarch: Combining low-protein cake flour (~7–8% gluten) with all-purpose flour (~10–11% gluten) lowers overall gluten formation. Adding 1 teaspoon of pure cornstarch disrupts protein cross-linking while absorbing free liquid, securing Levain’s iconic dense, gooey, brownie-like center crumb without turning cakey.
- Hydrocolloid Gelatin Collapse & Encapsulated Marshmallows: Marshmallows consist of aerated sugar syrup stabilized by gelatin. Exposed marshmallows melt into liquid sugar syrup when in direct contact with hot pan surface temperatures, burning and dissolving. Tucking mini marshmallows inside the cocoa dough shell encapsulates them, allowing heat to soften the gelatin matrix into gooey, stretchy pockets without caramelizing on the pan.
| Prep Time | Chill Time | Bake Time | Yield | Category |
| 20 mins | None required | 9–11 mins per batch | 8 massive 6-oz cookies | Copycat / Stuffed & Loaded |
Ingredients
For the Fudgy Cocoa Dough Base:
- 1 cup (2 sticks / 226 g) unsalted butter, cold and cubed
- 1 cup (200 g) packed brown sugar
- 1/2 cup (100 g) granulated sugar
- 2 large eggs, room temperature
- 1 tsp pure vanilla extract
- 1/2 cup (50 g) unsweetened cocoa powder, sifted
- 1 cup (120 g) cake flour
- 1 1/2 cups (187 g) all-purpose flour
- 1 tsp cornstarch
- 3/4 tsp baking soda
- 1/2 tsp fine salt
For the Rocky Road Inclusions:
- 1 3/4 cups (300 g) semisweet chocolate chips (reserve a few for topping)
- 2 cups (100 g) mini marshmallows (keep tucked inside dough)
- 3/4 cup (100 g) raw or roasted cashews, roughly chopped
Step-by-Step Instructions
1.Preheat Oven and Prep Sheet Pans:Set oven to 410°F (210°C).
Preheat your oven to a high 410°F (210°C) and line two light-colored, heavy-duty baking sheets with parchment paper.
2.Cream Cold Butter and Sugars:Beat cold, cubed butter and sugars 4 minutes.
In a large mixing bowl or stand mixer fitted with the paddle attachment, beat the cold, cubed unsalted butter, packed brown sugar, and granulated sugar for approximately 4 minutes on medium speed until creamy, combined, and lump-free.
3.Add Eggs and Vanilla Extract:Beat in eggs and vanilla.
Add the eggs and pure vanilla extract to the butter mixture. Beat for another 60 seconds on medium speed until smooth.
4.Combine Dry Flour Base:Whisk cocoa powder, cake flour, flour, cornstarch, soda, and salt.
In a separate large bowl, whisk together the sifted cocoa powder, cake flour, all-purpose flour, cornstarch, baking soda, and fine salt until uniformly blended.
5.Form Chocolate Cookie Dough:Mix on low speed just until dough forms.
Gradually add the dry flour blend to the butter mixture, mixing on low speed just until a thick, heavy chocolate dough comes together. Do not overmix.
6.Fold Inclusions & Protect Marshmallows:Fold in chocolate chips, marshmallows, and cashews.
Gently fold in the semisweet chocolate chips, mini marshmallows, and chopped cashews until evenly distributed. Reserve a small handful of chocolate chips and marshmallows for decorating the top.
7.Shape Massive Dough Mounds:Form 8 tall 6-ounce mounds without flattening.
Divide the heavy dough into 8 equal portions (~165g / 5–6 oz each). Shape each portion into a tall, rough, craggy ball without pressing or flattening. Ensure exposed marshmallows are tucked away from the bottom rim to prevent burning.
8.High-Heat Bake Until Fudgy:Bake 9 to 11 minutes at high heat.
Arrange 4 dough mounds per baking sheet, leaving 3 inches of space between them. Press reserved chocolate chips and a few marshmallows on top. Bake at 410°F for 9–11 minutes until the edges are set and matte while the centers remain soft and puffed.
9.Reshape and Cool Completely:Rest 15 minutes on hot sheet.
Remove from the oven and immediately use a round cutter or spatula to push any uneven edges inward. Let the cookies rest on the warm baking sheets for at least 15 minutes to allow the gooey centers to firm up before transferring to a wire rack.
Pro Tips for Baking Success
- Start with Cold, Hard Butter: Never use room-temperature or softened butter for Levain-style cookies! Cold, cubed butter is essential for holding the massive 6-ounce height in a 410°F oven.
- Tuck Marshmallows Inward: Keep mini marshmallows buried inside the chocolate dough core. Any marshmallows touching the hot metal pan directly will liquefy, run, and stick.
- High Bake Temperature (410°F) is Key: Baking at 410°F seals the outer crust quickly while preserving a molten, fudgy, brownie-like center inside.
Frequently Asked Questions
What makes Levain cookies so thick?
Levain cookies achieve their famous height and thickness through four primary baking techniques:
- Cold, Hard Butter: Prevents rapid thermal fat melting.
- Combination of Flour: Blending low-protein cake flour with all-purpose flour and cornstarch creates structural stability without toughness.
- Massive Portion Sizes: 6-ounce (~170g) tall dough mounds create a large thermal core that bakes slowly.
- High Oven Temperature: Baking at 410°F sets the outer crust instantly while keeping the center soft.
How long do Levain cookies stay fresh?
- Room Temperature: Stored in an airtight container at room temperature, Levain-style cookies remain soft and delicious for 3 to 4 days.
- Freezer Storage: Baked cookies can be wrapped tightly in plastic wrap and foil, then frozen for up to 3 months.
How much does a Levain Bakery cookie weigh?
An official bakery cookie from Levain Bakery in New York City weighs approximately 6 ounces (170 grams)! They are famous for being among the largest and thickest cookies in the United States.
How long to heat up Levain cookies in the microwave?
To recreate that freshly baked, warm, molten bakery center, microwave a room-temperature Levain cookie on a microwave-safe plate for 10 to 15 seconds (or reheat frozen cookies for 20 to 25 seconds). You can also warm them in a preheated $350^{\circ}\text{F}$ oven or toaster oven for 5 minutes!
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Levain Bakery Rocky Road Cookies (Thick & Fudgy)
- Total Time: 51 minutes
- Yield: 8 giant cookies 1x
Description
These Levain-Style Rocky Road Chocolate Cookies are irresistibly thick, rich, and packed with gooey chocolate goodness. Made with cold butter, a combination of cake flour and all-purpose flour, Dutch-style fudgy cocoa flavor, generous semisweet chocolate chips, soft mini marshmallows, and crunchy cashews, these giant bakery-style cookies feature beautifully craggy tops, lightly crisp edges, and wonderfully soft, brownie-like centers. Baked at a high temperature for that signature Levain-style thickness, each cookie delivers an indulgent combination of molten chocolate, chewy marshmallows, and nutty crunch. Perfect for chocolate lovers, special celebrations, homemade gifts, or whenever you’re craving an oversized, decadent rocky road dessert!
Ingredients
- For the Fudgy Cocoa Dough Base:
- 1 cup (2 sticks / 226 g) unsalted butter, cold and cubed
- 1 cup (200 g) packed brown sugar
- 1/2 cup (100 g) granulated sugar
- 2 large eggs, room temperature
- 1 tsp pure vanilla extract
- 1/2 cup (50 g) unsweetened cocoa powder, sifted
- 1 cup (120 g) cake flour
- 1 1/2 cups (187 g) all-purpose flour
- 1 tsp cornstarch
- 3/4 tsp baking soda
- 1/2 tsp fine salt
- For the Rocky Road Inclusions:
- 1 3/4 cups (300 g) semisweet chocolate chips (reserve a few for topping)
- 2 cups (100 g) mini marshmallows (keep tucked inside the dough)
- 3/4 cup (100 g) raw or roasted cashews, roughly chopped
Instructions
- Preheat Oven and Prepare Sheet Pans: Preheat your oven to 410°F (210°C) and line two light-colored, heavy-duty baking sheets with parchment paper. This high oven temperature helps create the signature thick, bakery-style cookies with set edges and soft, fudgy centers.
- Cream Cold Butter and Sugars: In a large mixing bowl or stand mixer fitted with the paddle attachment, combine the cold, cubed unsalted butter, packed brown sugar, and granulated sugar. Beat on medium speed for approximately 4 minutes until the mixture becomes creamy, thoroughly combined, and free of large butter lumps. Keep the butter cold rather than bringing it to room temperature.
- Add Eggs and Vanilla Extract: Add the room-temperature eggs and pure vanilla extract to the creamed butter and sugar mixture. Beat on medium speed for another 60 seconds until the ingredients are smooth and fully incorporated.
- Combine Dry Flour Base: In a separate large mixing bowl, whisk together the sifted unsweetened cocoa powder, cake flour, all-purpose flour, cornstarch, baking soda, and fine salt until the dry ingredients are evenly blended.
- Form Chocolate Cookie Dough: Gradually add the prepared cocoa and flour mixture to the butter mixture, mixing on low speed just until a thick, heavy chocolate cookie dough comes together. Avoid overmixing to maintain the tender, fudgy texture of the finished cookies.
- Fold Inclusions and Protect Marshmallows: Gently fold the semisweet chocolate chips, mini marshmallows, and roughly chopped cashews into the thick chocolate dough until evenly distributed. Reserve a small handful of chocolate chips and marshmallows for decorating the tops. Keep most of the marshmallows tucked inside the dough to prevent them from melting onto the baking sheets.
- Shape Massive Dough Mounds: Divide the heavy rocky road cookie dough into 8 equal portions, approximately 165 g (5–6 oz) each. Shape each portion into a tall, rough, craggy mound without pressing it down or flattening it. Make sure any marshmallows exposed near the bottom edges are pushed inward and covered with chocolate dough to prevent burning and sticking during baking.
- High-Heat Bake Until Fudgy: Arrange 4 tall dough mounds on each prepared baking sheet, leaving approximately 3 inches of space between them. Gently press the reserved semisweet chocolate chips and a few mini marshmallows onto the tops, keeping marshmallows away from the bottom edges. Bake at 410°F (210°C) for 9–11 minutes, or until the outer edges are set and matte while the centers remain soft, puffed, and slightly underdone. Avoid overbaking to preserve the wonderfully gooey, brownie-like interiors.
- Reshape and Cool Completely: Remove the baking sheets from the oven and immediately use a round cookie cutter or spatula to gently push any uneven edges inward for a beautifully rounded bakery-style appearance. Allow the cookies to rest on the warm baking sheets for at least 15 minutes so their delicate, gooey centers can firm up before carefully transferring them to a wire cooling rack. Let them cool further before serving and enjoy their rich chocolate flavor, chewy marshmallows, and crunchy cashews!
Notes
- Start with Cold, Hard Butter: Never substitute room-temperature or softened butter for this Levain-style cookie dough. Cold, cubed butter helps the oversized dough mounds maintain their impressive height during baking at 410°F (210°C), resulting in thick cookies rather than thin, flat discs.
- Tuck Marshmallows Inward: Keep the mini marshmallows buried inside the chocolate dough, especially along the bottoms and edges of the cookie mounds. Marshmallows that touch the hot baking sheet directly can liquefy, spread, burn, and stick to the parchment paper.
- High Baking Temperature Is Key: Baking these giant rocky road cookies at 410°F (210°C) allows the outer crust to set quickly while preserving the molten, soft, brownie-like center. Watch the cookies closely and remove them when the edges are set but the centers still look slightly underdone.
- Prep Time: 25 minutes
- Cook Time: 11 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 giant cookie
- Calories: 880
- Sugar: 65g
- Sodium: 320mg
- Fat: 49g
- Saturated Fat: 27g
- Unsaturated Fat: 19g
- Trans Fat: 0g
- Carbohydrates: 108g
- Fiber: 7g
- Protein: 12g
- Cholesterol: 110mg