Brownie Stuffed Chocolate Chip Cookies – Deliciously thick and chewy chocolate chip cookies that are filled with gooey, fudgy brownie batter. The ultimate cookie that combines two classic favourites!

Brownie Stuffed Chocolate Chip Cookies

Why you’ll love this recipe

If you’ve ever had trouble deciding between a chocolate chip cookie and a rich, fudgy brownie, this recipe is here to solve that delicious dilemma.

These brownie batter stuffed cookies bring together the best of both worlds—soft, chewy chocolate chip cookie dough wrapped around a gooey brownie batter centre.

These cookies are easy to make and impossible to resist. With a balance of textures and flavours, they’re sure to become a favourite for anyone who loves a little extra indulgence.

Looking for more stuffed cookies? Check out my Peanut Butter Stuffed Chocolate Cookies, and my Nutella Stuffed Chocolate Chip Cookies.

Brownie Stuffed Chocolate Chip Cookies

Ingredients you’ll need

Here’s a list of ingredients you’ll need to make these cookies. You can find my recipe card at the bottom of this post for the complete list with their amounts.

For the Brownie Batter:

  • Unsalted butter: Provides richness, moisture, and that signature fudgy texture for the brownie batter. Partially melting it ensures easy mixing.
  • Granulated sugar: Adds sweetness and helps create the perfect chewy brownie texture.
  • Cocoa powder: Gives the brownies their deep, chocolatey flavour. I love and use Dr. Oetker Fine Dark Cocoa Powder.
  • Milk: Adds moisture to the batter, helping to bind the ingredients. You can use any type.
  • Vanilla extract
  • Plain/all-purpose flour: The structure builder of the brownies, keeping them firm but still soft and fudgy.

For the Cookies:

  • Plain/all-purpose flour: Forms the foundation of the cookie dough, providing structure and stability.
  • Baking powder: Helps the cookies rise slightly, giving them a soft, tender texture.
  • Baking soda: Contributes to the cookies’ spread.
  • Cornflour/cornstarch: Creates a softer, thicker cookie by tenderizing the dough.
  • Salt: Balances the sweetness and enhances the overall flavours.
  • Unsalted butter: Adds richness and flavour while helping the cookies spread just enough during baking.
  • Light brown sugar: Provides sweetness and moisture, contributing to a chewy texture and a caramel-like flavour.
  • Caster/granulated sugar: Balances the brown sugar for a slight crispiness on the cookie edges.
  • Large egg: Acts as a binder and provides structure and richness to the cookie dough.
  • Vanilla extract: Adds a warm, sweet flavour to the cookie dough.
  • Chocolate chips: Bring melty, gooey chocolate pockets to every bite of the cookies. You can use milk, dark, or semi-sweet.
Brownie Stuffed Chocolate Chip Cookies

How to make Brownie Stuffed Chocolate Chip Cookies

Mixing brownie batter ingredients: In a small mixing bowl, whisk together the butter, sugar, cocoa powder, milk, and vanilla until smooth and combined.

Add the flour and fold in until combined.

Freezing the batter: Scoop out 0.5-oz dollops of the batter onto a lined baking tray and freeze whilst making the cookie dough.

Mixing dry ingredients: In a medium mixing bowl, whisk together the flour, baking powder, baking soda, cornflour, and salt. Set aside.

Mixing wet ingredients: In a separate large mixing bowl, whisk together the butter and sugars. Add the egg and vanilla, and whisk until combined.

Combining the two: Add the dry ingredients and mix until just combined. Fold in the chocolate chips.

Shaping the dough: Scoop the dough out into 2-oz balls. Flatten them out slightly, keeping the bottom thick.

Brownie filling: Place a brownie batter ball into the centres.

Roll into balls: Fold the cookie dough over the top, stretching the dough from the sides and pinching at the top, being sure to keep the dough at the bottom thick.

Freezing the dough balls: Place onto a prepared baking tray and freeze for 10 – 20 minutes until solid.

Bake: Once frozen, bake for 12 minutes.

Cool: Allow to cool on the baking tray for at least 10 – 20 minutes before transferring them to a wire rack to cool completely. The brownie centres will be very soft, but will firm up as they cool.

The printable recipe card with the full list of ingredients, their measurements, and instructions can be found at the bottom of this post.

Brownie Stuffed Chocolate Chip Cookies

Substitutions & variations

Unsalted butter in the cookies:

  • Substitute: Use salted butter (omit added salt in the recipe) or coconut oil for a dairy-free option.
  • Variation: Use browned butter for a nutty, deeper flavour.

Large egg:

  • Substitute: Use 1 tablespoon ground flaxseed mixed with 3 tablespoons water (let sit 5 minutes) for a vegan option. Or use 1/4 cup (63g) unsweetened applesauce.
  • Variation: Add an extra egg yolk for richer cookies.

Chocolate chips:

  • Substitute: Use chopped chocolate, white chocolate chips, or even peanut butter chips.
  • Variation: Mix in additional ingredients like nuts, or toffee bits for more texture and flavour.

This recipe has not been tested with other substitutions or variations. If you replace or add any ingredients, please let us know how it turned out in the comments below!

Brownie Stuffed Chocolate Chip Cookies

Leftovers & storage

These cookies stay fresh kept in an airtight container at room temperature for up to 1 week.

Make ahead: Cookie dough balls can be kept in the fridge for up to 5 days, or frozen for up to 3 months. Bake straight from frozen.

Recipe FAQs

How do I prevent the cookies from spreading too much?

Make sure to freeze the brownie batter balls whilst preparing the cookie dough, and freeze the cookie dough balls once assembled for at least 10 – 20 until solid.

Why are my cookies underbaked in the centre?

Because the cookies are stuffed with brownie batter, they will be extremely soft and gooey fresh out of the oven. Leave to cool completely and they will firm up just fine!

How do I get perfectly round cookies?

As soon as the cookies are out of the oven, while they are still very hot, soft, and malleable, grab a round cookie cutter (larger than the cookie diameter) to nudge or scoot the cookies into a more perfectly round shape.

Tried this recipe?

If you try this recipe, let us know! Leave a comment, rate it, and don’t forget to tag me on Instagram and hashtag it #simplybakeblog. I’d love to see!

Brownie Stuffed Chocolate Chip Cookies

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let’s make
Brownie Stuffed Chocolate Chip Cookies

Brownie Stuffed Chocolate Chip Cookies

Deliciously thick and chewy chocolate chip cookies that are filled with gooey, fudgy brownie batter. The ultimate cookie that combines two classic favourites!
Author: Marsha
Prep Time: 30 minutes
Cook Time: 12 minutes
Total Time: 42 minutes
Yields: 13 cookies

Ingredients

For the Brownie Batter

  • ¼ cup (56g) unsalted butter, partially melted
  • ½ cup (100g) granulated sugar
  • ¼ cup (30g) cocoa powder
  • 2 tablespoons (30ml) milk
  • 1 teaspoon vanilla extract
  • ½ cup (60g) plain/all-purpose flour

For the Cookies

  • 2 cups (250g) plain/all-purpose flour
  • 1 teaspoon baking powder
  • ½ teaspoon baking soda
  • 2 teaspoons cornflour/cornstarch
  • ¼ teaspoon salt
  • ½ cup (115g) unsalted butter, partially melted
  • ¾ cup (150g) light brown sugar
  • ¼ cup (50g) caster/granulated sugar
  • 1 large egg
  • 2 teaspoons vanilla extract
  • ¾ cup (130g) chocolate chips

Instructions

For the Brownie Batter

  • In a small mixing bowl, whisk together the butter, sugar, cocoa powder, milk, and vanilla until smooth and combined.
  • Add the flour and fold in until combined.
  • Scoop out 0.5-oz dollops of the batter onto a lined baking tray and freeze whilst making the cookie dough.

For the Cookies

  • Preheat the oven to 190C/375F/Gas 5, and line a baking tray with parchment paper or a silicone mat. Set aside.
  • In a medium mixing bowl, whisk together the flour, baking powder, baking soda, cornflour, and salt. Set aside.
  • In a separate large mixing bowl, whisk together the butter and sugars. Add the egg and vanilla, and whisk until combined.
  • Add the dry ingredients and mix until just combined. Fold in the chocolate chips.
  • Scoop the dough out into 2-oz balls. Flatten them out slightly, keeping the bottom thick.
  • Place a brownie batter ball into the centres.
  • Fold the cookie dough over the top, stretching the dough from the sides and pinching at the top, being sure to keep the dough at the bottom thick.
  • Place onto the prepared baking tray and freeze for 10 – 20 minutes until solid.
  • Once frozen, bake for 12 minutes.
  • Allow to cool on the baking tray for at least 10 – 20 minutes before transferring them to a wire rack to cool completely. The brownie centres will be very soft, but will firm up as they cool.

Recipe Notes

Storage: Cookies stay fresh kept in an airtight container at room temperature for up to 1 week.
Make ahead: Cookie dough balls can be kept in the fridge for up to 5 days, or frozen for up to 3 months. Bake straight from frozen.

Nutrition Information:

Calories: 357kcal

Nutrition information is automatically calculated, so should only be used as an approximation.

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