If you can’t decide between the chewy edges of a brownie and the handheld convenience of a cookie, Brownie Mix Cookies (often called “Brookies”) are the perfect solution. By slightly altering the ratio of fats and liquids in a standard boxed brownie mix, you can transform a batter meant for a pan into a sturdy, fudgy dough that holds its shape on a baking sheet.
These cookies are famous for their “cracked” top and a center that stays incredibly moist and dense. Best of all, they require significantly less measuring than starting from scratch.
Ingredients
To turn a standard box of mix into cookies, you need to reduce the moisture. Use these specific measurements instead of the ones on the back of the box:
- 1 Box (approx. 18 oz) Brownie Mix: Any brand (Fudge, Milk Chocolate, or Dark Chocolate).
- 2 Large Eggs: Provides the structure and “lift” needed for a cookie.
- 1/2 cup Vegetable Oil or Melted Butter: Butter will yield a richer, more shortbread-like flavor.
- 1/4 cup All-Purpose Flour: This is the secret ingredient that gives the dough enough body to be scooped.
- 1 cup Semi-Sweet Chocolate Chips: Because you can never have too much chocolate.
Step-by-Step Instructions
- Preheat and Prep: Set your oven to 175°C (350°F). Line a large baking sheet with parchment paper or a silicone baking mat.
- Mix the Dough: In a large bowl, combine the dry brownie mix and the extra 1/4 cup of flour. Add the eggs and oil/butter. Stir by hand until a thick, sticky dough forms. It will be much thicker than normal brownie batter.
- Fold in Extras: Stir in the chocolate chips. At this point, you could also add walnuts, pecans, or even a swirl of peanut butter.
- Scoop: Use a tablespoon or a small cookie scoop to drop rounded mounds of dough onto the prepared baking sheet. Space them about 2 inches apart, as they will spread slightly.
- Bake: Bake for 10 to 12 minutes.
- Crucial Tip: Do not overbake! The cookies will look slightly soft and “underdone” in the center when you pull them out. They will firm up as they cool on the hot pan.
- Cool: Let them sit on the baking sheet for at least 5–10 minutes before moving them to a wire rack.
Quick Explain
Traditional brownies use more oil and water to create a pourable batter that relies on the walls of a cake pan for support. By adding extra flour and an extra egg, we increase the protein and starch content. This creates a higher “viscosity” in the dough, allowing the cookies to puff up and set before they have a chance to spread flat across the pan.
Note
To get that professional, glossy “cracked” look on top, make sure your eggs are at room temperature before mixing. If you want a “Sweet and Salty” version, sprinkle a tiny bit of flaky sea salt on the cookies immediately after taking them out of the oven. These store beautifully in an airtight container for up to 4 days—if they last that long!