Brookie Cookies

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Brookie Cookies

Prep Time: 20 minutes
Bake Time: 10–12 minutes
Yields: 18 cookies

Nutrition Facts (Per Cookie – Approximate)

  • Calories: 180
  • Fat: 10g
  • Saturated Fat: 6g
  • Cholesterol: 30mg
  • Sodium: 85mg
  • Carbohydrates: 22g
  • Fiber: 1g
  • Sugar: 13g
  • Protein: 2g
A half-chocolate, half-vanilla chip cookie is leaning against a glass of milk, with another similar cookie blurred in the background.

How To Make Brookie Cookies

Top-down view of various baking ingredients in bowls and plates, including flour, eggs, butter, sugar, vanilla, chocolate chips, cocoa powder, and spices, arranged on a marble surface.

Chocolate Chip Cookie Dough

  • ½ cup (1 stick) unsalted butter, softened
  • ¼ cup brown sugar
  • ¼ cup granulated sugar
  • 1 egg
  • 1 tsp vanilla extract
  • 1¼ cups all-purpose flour
  • ½ tsp baking soda
  • ¼ tsp salt
  • ½ cup chocolate chips

Brownie Cookie Dough

  • ½ cup (1 stick) unsalted butter, melted
  • ⅔ cup granulated sugar
  • 1 egg
  • 1 tsp vanilla extract
  • ⅓ cup unsweetened cocoa powder
  • ⅔ cup all-purpose flour
  • ¼ tsp baking powder
  • ¼ tsp salt
  • ½ cup chocolate chips (optional but recommended)
A plate with two half-chocolate, half-vanilla cookies and one broken cookie, all with chocolate chips.

Step-by-Step Guide

1. Preheat oven to 350°F (175°C). Line two baking sheets with parchment paper.

2. Make the chocolate chip cookie dough:

Cream butter, brown sugar, and granulated sugar until light and fluffy.

  • A glass bowl with brown sugar is held above a white mixing bowl containing creamed butter on a marble countertop.
  • Hand holding a bowl of brown sugar over a mixing bowl containing creamed butter, on a marble countertop.
  • A bowl with mashed bananas and brown sugar sits on a marble counter as a glass container of granulated sugar is held above it, ready to be added.
  • A white mixing bowl contains creamed butter and brown sugar on a marble countertop. A small glass bowl with salt and baking powder is nearby.
  • A white mixing bowl with tan cookie dough mixture sits on a marble countertop.

Add egg and vanilla, beat to combine.

  • A glass bowl with a cracked egg is held above a mixing bowl containing partially mixed dough on a marble countertop.
  • A white mixing bowl with cookie dough and a raw egg yolk in the center, placed on a marble countertop.
  • A glass cup of vanilla extract is being poured into a mixing bowl containing sugar, butter, and an egg on a marble countertop.
  • A mixing bowl containing creamed butter and sugar with a raw egg and vanilla extract on top, ready to be mixed, placed on a marble countertop.
  • A white mixing bowl with a handle contains a thick, yellow batter on a white marble countertop.

Stir in flour, baking soda, and salt.

  • A bowl of flour is being added to a mixing bowl containing a yellow batter, on a white marble countertop.
  • A glass bowl with salt and baking powder is being added to a mixing bowl containing flour and a yellow batter on a marble surface.
  • A white mixing bowl with a handle contains yellow cookie dough, placed on a white marble surface.

Fold in chocolate chips. Set aside.

  • A glass bowl of chocolate chips is about to be poured into a mixing bowl containing cookie dough on a marble countertop.
  • A white mixing bowl containing chocolate chip cookie dough sits on a marble countertop.

3. Make the brownie cookie dough:

Whisk melted butter and sugar until smooth.

  • A white bowl containing melted butter sits on a white marble surface.
  • A bowl of melted butter sits on a marble surface next to a glass bowl filled with granulated sugar.
  • A white bowl containing melted butter and a mound of semolina sits on a marble surface.

Beat in egg and vanilla.

  • A glass bowl with a raw egg is held above a white bowl containing melted butter, all on a white marble surface.
  • A glass bowl of vanilla extract held above a white bowl containing a raw egg and melted butter on a marble countertop.
  • A white bowl contains a raw egg, brown vanilla extract, and beaten yellow butter-sugar mixture on a white marble surface.
  • A white bowl containing a yellow liquid mixture sits on a white marble surface.

Stir in cocoa powder, flour, baking powder, and salt until just combined.

  • A bowl of yellow liquid sits on a marble surface while cocoa powder is being poured in from a measuring cup above.
  • A bowl with eggs and melted butter is being mixed with flour and cocoa powder on a marble surface.
  • A mixing bowl with flour, cocoa powder, and wet ingredients, with a small bowl of salt and baking powder being added on a marble countertop.
  • A white bowl on a marble surface contains flour, cocoa powder, and a yellow liquid mixture, ready to be mixed.
  • A white bowl filled with chocolate brownie batter sits on a white marble surface.

Fold in chocolate chips, if using.

  • A bowl of chocolate chips is being held above a bowl of chocolate batter on a white marble surface.
  • A white bowl filled with chocolate brownie batter topped with a pile of chocolate chips, placed on a marble surface.
  • A white bowl filled with thick, dark chocolate batter sits on a marble surface.
Two bowls of cookie dough, one chocolate chip and one brownie, sit beside two spoons and a parchment-lined baking sheet on a marble counter.

4. Form the cookies:

Scoop about 1 tbsp of chocolate chip dough and 1 tbsp of brownie dough.

  • A spoon holding chocolate batter over a white bowl sits next to another bowl with yellow dough, on a white marble surface.
  • A spoon holding chocolate chip cookie dough over a white mixing bowl, with more dough remaining in the bowl on a marble countertop.

Press them gently together and roll into a ball (you want a half-and-half dough ball).

Six unbaked chocolate and vanilla swirl cookie dough balls with chocolate chips on a parchment-lined baking tray, set on a white marble surface.

Place on the baking sheet about 2 inches apart.

5. Bake for 10–12 minutes, until edges are set but centers look slightly underdone (they’ll firm up as they cool).

A baking tray with six half-chocolate, half-vanilla chocolate chip cookies on parchment paper, set on a marble surface.

6. Cool on the baking sheet for 5 minutes, then transfer to a wire rack.

Four large half-chocolate, half-vanilla chocolate chip cookies are arranged on a white plate, with a few loose chocolate chips nearby.

FAQ

Can I chill the dough before baking?

Yes, chilling the combined dough balls for 15–30 minutes can help prevent spreading and intensify the flavor.

Can I freeze the dough?

Absolutely. Shape the cookie dough balls, freeze on a tray until solid, then transfer to a freezer bag.

Bake from frozen, adding 1–2 extra minutes.

Can I use all brown sugar in the chocolate chip dough?

Yes, but the cookies will be softer and slightly chewier with a richer flavor.

Can I make these without chocolate chips?

Yes, both doughs bake fine without chips, though chips add texture and flavor.

How do I store these cookies?

Store in an airtight container at room temperature for up to 4 days or freeze baked cookies for up to 2 months.

Chocolate chip cookies with a half-vanilla, half-chocolate dough pattern arranged on a white wooden surface, with chocolate chips scattered nearby.
A stack of four black and yellow half-and-half cookies with chocolate chips on a wooden cutting board, with a few chocolate chips scattered nearby.

Brookie Cookies

Print Recipe
A half-chocolate, half-chocolate chip cookie is propped against a glass of milk, with more cookies and chocolate chips in the background.
Prep Time:20 minutes
Cook Time:12 minutes
Total Time:32 minutes

Ingredients

Chocolate Chip Cookie Dough

  • ½ cup 1 stick unsalted butter, softened
  • ¼ cup brown sugar
  • ¼ cup granulated sugar
  • 1 egg
  • 1 tsp vanilla extract
  • 1¼ cups all-purpose flour
  • ½ tsp baking soda
  • ¼ tsp salt
  • ½ cup chocolate chips

Brownie Cookie Dough

  • ½ cup 1 stick unsalted butter, melted
  • ⅔ cup granulated sugar
  • 1 egg
  • 1 tsp vanilla extract
  • ⅓ cup unsweetened cocoa powder
  • ⅔ cup all-purpose flour
  • ¼ tsp baking powder
  • ¼ tsp salt
  • ½ cup chocolate chips optional but recommended

Instructions

  • Preheat oven to 350°F (175°C). Line two baking sheets with parchment paper.
  • Make the chocolate chip cookie dough: Cream butter, brown sugar, and granulated sugar until light and fluffy. Add egg and vanilla, beat to combine. Stir in flour, baking soda, and salt. Fold in chocolate chips. Set aside.
  • Make the brownie cookie dough: Whisk melted butter and sugar until smooth. Beat in egg and vanilla. Stir in cocoa powder, flour, baking powder, and salt until just combined. Fold in chocolate chips, if using.
  • Form the cookies: Scoop about 1 tbsp of chocolate chip dough and 1 tbsp of brownie dough. Press them gently together and roll into a ball (you want a half-and-half dough ball). Place on the baking sheet about 2 inches apart.
  • Bake for 10–12 minutes, until edges are set but centers look slightly underdone (they’ll firm up as they cool).
  • Cool on the baking sheet for 5 minutes, then transfer to a wire rack.

Notes

Can I chill the dough before baking?

Yes, chilling the combined dough balls for 15–30 minutes can help prevent spreading and intensify the flavor.

Can I freeze the dough?

Absolutely. Shape the cookie dough balls, freeze on a tray until solid, then transfer to a freezer bag. Bake from frozen, adding 1–2 extra minutes.

Can I use all brown sugar in the chocolate chip dough?

Yes, but the cookies will be softer and slightly chewier with a richer flavor.

Can I make these without chocolate chips?

Yes, both doughs bake fine without chips, though chips add texture and flavor.

How do I store these cookies?

Store in an airtight container at room temperature for up to 4 days or freeze baked cookies for up to 2 months.
Servings: 18 cookies
Calories: 180kcal
A hand holds a half-eaten chocolate chip cookie that is half chocolate and half regular dough, with whole cookies and chocolate chips in the background.
A stack of marbled chocolate and vanilla cookies with chocolate chips on a white plate. One cookie has a bite taken out of it.

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