Brownie-Stuffed Chocolate Chip Cookies With Fudgy Centers

Quick Recipe Version (TL;DR)

• Yield: 12 jumbo cookies
• Prep Time: 40 minutes
• Cook Time: 30 minutes
• Total Time: 1 hour 40 minutes (includes chilling and cooling)

Quick Ingredients

• For brownie centers: 6 tbsp (85 g) melted unsalted butter; 1/2 cup (100 g) sugar; 1/3 cup (70 g) brown sugar; 2 large eggs; 1 tsp vanilla; 1/3 cup (40 g) cocoa powder; 1/2 cup (65 g) all-purpose flour; 1/4 tsp salt; 1/4 cup (45 g) mini chocolate chips (optional).
• For cookie dough: 3 cups (375 g) all-purpose flour; 1 tsp baking soda; 1 tsp fine salt; 1 cup (225 g) softened unsalted butter; 1 cup (200 g) packed brown sugar; 1/2 cup (100 g) sugar; 2 large eggs; 2 tsp vanilla; 2 tbsp milk or cream; 2 cups (340 g) semisweet chocolate chips or chunks.
• Finishing: Flaky sea salt (optional).

Do This

• 1. Heat oven to 350°F (175°C). Line an 8-inch square pan and 2 baking sheets with parchment.
• 2. Whisk brownie ingredients, pour into pan, and bake 13–16 minutes until set at edges but fudgy in center. Cool completely.
• 3. Cut brownie slab into 12 squares and freeze 20–30 minutes until firm.
• 4. Cream butter and sugars; beat in eggs, vanilla, and milk. Mix in flour, baking soda, salt, then chocolate chips.
• 5. For each cookie, flatten about 3 tbsp dough, top with a brownie square, and cover with another 3 tbsp dough, sealing edges well.
• 6. Chill stuffed dough balls 30 minutes, then bake at 350°F (175°C) for 13–16 minutes until golden at edges and just set in the center.
• 7. Cool on pan 10 minutes, then on a rack. Serve slightly warm for a gooey brownie center.

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Why You’ll Love This Recipe

• Each cookie hides a rich, fudgy brownie center for an indulgent surprise in every bite.
• Jumbo, bakery-style cookies with chewy edges and soft, gooey middles.
• Make-ahead friendly: freeze the brownie centers or the stuffed dough for fresh-baked treats anytime.
• Perfect for parties, bake sales, or whenever you want a “wow” dessert without fussy decorating.

Grocery List

• Produce: None needed.
• Dairy: Unsalted butter, large eggs, milk or heavy cream (optional, for cookie dough).
• Pantry: All-purpose flour, granulated sugar, light brown sugar, unsweetened cocoa powder, fine sea salt, baking soda, pure vanilla extract, semisweet chocolate chips or chunks, mini chocolate chips (optional), flaky sea salt (optional).

Full Ingredients

Brownie Centers

• 6 tablespoons (85 g) unsalted butter, melted and slightly cooled
• 1/2 cup (100 g) granulated sugar
• 1/3 cup (70 g) packed light brown sugar
• 2 large eggs, at room temperature
• 1 teaspoon pure vanilla extract
• 1/3 cup (40 g) unsweetened cocoa powder
• 1/2 cup (65 g) all-purpose flour
• 1/4 teaspoon fine sea salt
• 1/4 cup (45 g) mini chocolate chips (optional, for extra fudginess)

Chocolate Chip Cookie Dough

• 3 cups (375 g) all-purpose flour
• 1 teaspoon baking soda
• 1 teaspoon fine sea salt
• 1 cup (225 g) unsalted butter, softened to cool room temperature
• 1 cup (200 g) packed light brown sugar
• 1/2 cup (100 g) granulated sugar
• 2 large eggs, at room temperature
• 2 teaspoons pure vanilla extract
• 2 tablespoons milk or heavy cream (for extra chew and moisture)
• 2 cups (340 g) semisweet chocolate chips or chunks (or a mix)

Optional Finishing Touch

• Flaky sea salt, for sprinkling on hot cookies

Step-by-Step Instructions

Step 1: Prep your pans and oven

Preheat your oven to 350°F (175°C) with a rack in the center position. Line an 8-inch (20 cm) square baking pan with parchment paper, letting some overhang on two sides to create a sling for easy removal.

Line 2 large baking sheets with parchment paper as well, and set them aside for the cookie portion of the recipe. Having everything ready now makes the rest of the process smooth and mess-free.

Step 2: Make the fudgy brownie layer

In a medium bowl, whisk together the melted butter, granulated sugar, and brown sugar until smooth and glossy. Whisk in the eggs one at a time, then add the vanilla. Continue whisking for about 30 seconds; this helps create that shiny, crackly brownie top.

Sift or whisk together the cocoa powder, flour, and salt in a separate small bowl. Add the dry ingredients to the wet mixture and stir gently with a spatula just until no dry streaks remain. Fold in the mini chocolate chips, if using.

Spread the batter evenly into the prepared 8-inch pan. It will be a thin layer; that is what you want so it bakes quickly and stays fudgy. Bake for 13–16 minutes, until the edges are set and a toothpick inserted near the center comes out with moist crumbs but not wet batter.

Step 3: Cool, cut, and freeze the brownie centers

Place the brownie pan on a wire rack and let it cool completely in the pan, about 20–30 minutes. Once cool, use the parchment sling to lift the brownie slab out onto a cutting board.

Trim the very edges if they seem dry (baker’s treat), then cut the brownie into 12 roughly equal squares. Each square should be about 2 inches (5 cm) across. Transfer the squares to a plate or small tray lined with parchment and place them in the freezer for 20–30 minutes, or until quite firm. This quick freeze keeps the brownie centers fudgy while the cookie dough bakes around them.

Step 4: Prepare the chocolate chip cookie dough

While the brownies chill, make the cookie dough. In a medium bowl, whisk together the flour, baking soda, and salt. Set aside.

In a large mixing bowl (or the bowl of a stand mixer), beat the softened butter, brown sugar, and granulated sugar together on medium speed for 2–3 minutes, until light and slightly fluffy. Scrape down the sides of the bowl as needed.

Add the eggs one at a time, mixing well after each addition, then beat in the vanilla and milk or cream until smooth. On low speed, gradually add the flour mixture and mix just until combined; do not overmix. Fold in the chocolate chips or chunks with a spatula so they are evenly distributed.

Step 5: Wrap the brownie centers in cookie dough

Remove the brownie squares from the freezer. Scoop about 3 tablespoons (roughly 45 g) of cookie dough and flatten it into a thick disk in the palm of your hand. Place a chilled brownie square in the center.

Add another 3 tablespoons of dough on top of the brownie square. Gently press the dough around the brownie, sealing the edges so the brownie is completely enclosed. Roll lightly between your palms to form a large, even ball. Place on a parchment-lined baking sheet and repeat with the remaining dough and brownie squares, spacing the balls well apart (about 6 per sheet; these are big cookies).

Step 6: Chill the stuffed cookie dough balls

Transfer the trays of stuffed cookie dough balls to the refrigerator and chill for at least 30 minutes (or up to 24 hours). Chilling helps prevent excessive spreading and keeps the centers soft and gooey.

If your fridge space is limited, you can pile the dough balls together on one tray to chill, then redistribute them before baking.

Step 7: Bake and cool for gooey centers

When you are ready to bake, preheat the oven again to 350°F (175°C) if needed. Arrange the chilled dough balls on the prepared baking sheets, leaving at least 3 inches (7.5 cm) between each cookie.

Bake one sheet at a time for 13–16 minutes, until the edges are deep golden brown and set, the tops are lightly golden, and the centers are puffed but still a little soft. If using flaky sea salt, sprinkle a tiny pinch on each cookie as soon as they come out of the oven.

Let the cookies cool on the baking sheet for 10 minutes to firm up, then transfer to a wire rack to cool further. Serve warm or at room temperature. For the ultimate gooey brownie center, enjoy them slightly warm.

Pro Tips

• Do not overbake the brownies. Slightly underbaked brownies stay fudgy inside the cookie; fully baked brownies will be drier after the second bake.
• Freeze the brownie squares until firm. A chilled, solid brownie center helps keep the middle molten while the cookie exterior bakes through.
• Weigh your flour if possible. Too much flour makes the cookies dry. Aim for 375 g; if measuring by cups, lightly spoon flour into the cup and level off.
• Seal the dough well around the brownie. Any gaps can cause the brownie to leak out. Smooth seams and make sure no brownie is peeking through.
• One tray at a time. Baking a single tray on the center rack promotes even browning and helps the cookies stay thick and chewy.

Variations

• Peanut Butter Swirl Brownie Centers: Swirl 2–3 tablespoons of warmed peanut butter into the brownie batter before baking. You will get pockets of peanut butter inside the brownie core for a chocolate–peanut butter twist.
• Nutty Crunch: Fold 1 cup (110 g) chopped toasted walnuts or pecans into the cookie dough along with the chocolate chips for added crunch and flavor depth.
• Salted Caramel Brownie-Stuffed Cookies: Place a soft caramel candy (or a spoonful of thick caramel sauce that has been briefly chilled) on top of each brownie square before wrapping in cookie dough. Bake as directed for a caramel–brownie surprise center.

Storage & Make-Ahead

Store fully cooled cookies in an airtight container at room temperature for up to 3 days. For the best gooey texture, rewarm individual cookies in the microwave for about 10–15 seconds or in a 300°F (150°C) oven for 5–7 minutes.

To freeze baked cookies, cool completely, then place in a single layer on a tray to freeze. Transfer frozen cookies to a freezer bag or airtight container and freeze for up to 2 months. Thaw at room temperature and rewarm if desired.

For make-ahead convenience, you can freeze the stuffed, unbaked cookie dough balls on a tray until solid, then transfer them to a freezer bag. Bake straight from frozen at 350°F (175°C), adding 2–3 minutes to the baking time.

Nutrition (per serving)

Approximate values per jumbo cookie (1 of 12): 430 calories; 22 g fat; 13 g saturated fat; 55 g carbohydrates; 3 g fiber; 34 g sugars; 6 g protein; 230 mg sodium. Exact values will vary based on specific ingredients and portion sizes.