- GHIRARDELLI Double Chocolate Premium Brownie Mix — rich, deeply chocolatey, and foolproof for the bottom layer
What Are Brookies and Why Are They Everything?
If you’ve never had a brookie, let me paint you a picture. Imagine a dense, fudgy brownie — the kind with that crinkle-shiny top — sharing a pan with a thick, chewy chocolate chip cookie. They bake together into one glorious layered bar that can’t fully decide what it wants to be, and honestly, that’s the whole point. You get the deep cocoa richness of a brownie on the bottom and the buttery, slightly crisp-edged cookie on top. Every single bite is a little different, and my kids? They go absolutely feral for them.
The genius of brookies is that you don’t have to choose. Are you a brownie person or a cookie person? Wrong question. You are now a brookie person, and your life will be better for it.
The Great Brookie Disaster (That Turned Into a Triumph)
Back to that chaotic afternoon. My middle daughter, Ellie, had declared it a “baking day,” which in our house means everyone has an opinion, nobody agrees, and at least one person ends up in tears before the oven even preheats. My son wanted brownies. My oldest wanted cookies. Ellie, bless her negotiating heart, proposed we make both at the same time in the same pan. I thought she was joking. She was absolutely not joking.
So there I was, juggling two mixing bowls, a toddler tugging on my apron, and a dog underfoot, when I realized I’d set the oven to 375°F instead of 325°F. I didn’t catch it until about 15 minutes in when I smelled something a little too toasty. I yanked the pan out, heart sinking — the edges were dark, the center looked underdone, and I was sure I’d ruined everything. I almost threw the whole thing out.
But Ellie said, “Mom, just let it cool first.” So we did. We walked away, did homework, fed the dog, and tried to forget about it. An hour later I cut into that pan and — I kid you not — the texture was incredible. The slightly over-baked edges had turned into these chewy, caramelized corners that everyone fought over. The center was dense and fudgy with a perfectly set cookie layer on top. It was, without question, the most popular thing I have ever baked. My son immediately said, “Can we have these every week?” Reader, we almost do.
How to Make Brookies Brownie Cookie Bars the Right Way
Now that you know my chaotic origin story, let me give you the method that actually works — reliably, on purpose, without the smoke alarm.
The Brownie Layer
The brownie layer goes on the bottom of your 9×13 pan, and it needs a head start since it’s denser and takes longer to set. You can absolutely make brownies from scratch, but on a busy weekday afternoon (or any day involving three opinionated children), a quality brownie mix is your best friend. I reach for the GHIRARDELLI Double Chocolate Premium Brownie Mix because the chocolate flavor is genuinely deep and rich — it tastes homemade without the extra steps. If I’m feeling a little fancy, I’ll swap in the GHIRARDELLI Salted Caramel Premium Brownie Mix, and the sweet-salty contrast with the cookie layer is absolutely out of this world. For a budget-friendly option that still delivers seriously fudgy results, the Duncan Hines Chewy Fudge Brownie Mix is a reliable go-to that I always keep in my pantry.
Mix your brownie batter according to the package directions and spread it evenly into a well-greased or parchment-lined 9×13 pan. Smooth it all the way to the edges — no thin spots, no thick lumps. This is your foundation.
The Cookie Layer
Here’s where you have options, and all of them are good. If you’re making cookie dough from scratch, use a classic chocolate chip recipe and chill the dough for about 20 minutes first — this helps it firm up enough to sit on top of the brownie batter without sinking in. Drop spoonfuls across the top of the brownie layer and gently press them together so you have an even cookie blanket over the whole pan.
If you want a shortcut that still gives you amazing results, pre-formed cookie dough is genuinely fantastic here. David’s Cookies Preformed Frozen Chocolate Chunk Cookie Dough is a product I keep in my freezer specifically for emergency brookie situations — you just thaw slightly, press the rounds across the brownie batter, and you’re done. If you need a smaller-portion option, Otis Spunkmeyer Chocolate Chip Cookie Dough works beautifully too, especially if you’re making a smaller batch.
Baking Tips That Actually Matter
- Bake at 325°F, not 350°F. Lower and slower is the secret to getting both layers cooked through without over-baking the cookie top or leaving the brownie gooey in the center.
- Line your pan with parchment paper and leave overhang on the sides. You’ll thank yourself when it’s time to lift and cut the bars cleanly.
- Start checking at 35 minutes. The cookie layer should look set and lightly golden; a toothpick in the brownie layer should come out with moist crumbs, not wet batter.
- Let them cool completely before cutting. I know. It’s torture. But warm brookies crumble instead of slice, and you want those beautiful clean-cut layers to show.
- For extra fudgy brownies, slightly underbake by 3-4 minutes and let carryover cooking do the work as they cool in the pan.
My Baking Essentials for This Recipe
Here’s a quick roundup of the products I actually use and love for making these bars:
- GHIRARDELLI Double Chocolate Premium Brownie Mix — rich, deeply chocolatey, and foolproof for the bottom layer
- Categories Cookie Bars & Blondies
