Cookie Brownie Bars

Featured in Sweet treats that make you happy.

These brookies mix gooey brownies with brown butter cookie dough, creating a swirl of two favorite desserts in every bite. Perfect for sharing or indulging solo.
Maria from tastyhush
Updated on Thu, 08 May 2025 10:33:22 GMT
A pile of soft brownie cookie bars topped with chocolate chips, surrounded by bits of chocolate chunks. Pin it
A pile of soft brownie cookie bars topped with chocolate chips, surrounded by bits of chocolate chunks. | tastyhush.com

I've gotta tell you about my top dessert combo - these amazing Brownie Cookie mashups, or as my family calls them, Brookies. I've made these so many times now, tweaking till they're just right. You get two treats in one - rich gooey brownies plus soft buttery chocolate chip cookies. It's basically dessert heaven on a plate.

Why These Stand Out

What blows me away is how these brookies nail the balance between two classic sweets. The mix of dense middles with slightly crisp edges and multiple chocolate layers just can't be beat. They're what I bake when I want to impress folks at gatherings or when we simply need something a bit fancy at home.

Your Ingredient List

  • All-Purpose Flour: This creates your base so measure it carefully.
  • Unsalted Butter: We'll toast some of this to unlock extra flavor.
  • Semi-Sweet Chocolate Chips: These add those perfect melty bits throughout.
  • Dark Brown Sugar and Granulated Sugar: Together they create that ideal bite.
  • Dutch-Processed Cocoa Powder: Worth buying the good stuff here.
  • Eggs: The secret to that shiny, crackled surface.
  • Baking Powder and Soda: They help everything puff up nicely.
  • Vanilla Extract: Adds that background warmth you need.
  • Salt: A tiny bit makes all flavors stand out.

Step By Step Guide

Toast Your Butter
This step transforms ordinary butter into something nutty and complex - watch for golden flecks to appear.
Brownie Foundation
There's something therapeutic about stirring melted chocolate and butter, then we'll beat in sugar and eggs for that classic top.
Cookie Creation
That toasted butter gives your cookie dough extra flavor - mix just enough to bring everything together.
Create Your Layers
Now comes the fun part - make those beautiful ripples between layers without fussing too much about perfection.
Watch While Baking
Look for that tiny wobble in the middle - that means they'll stay nice and fudgy.

Insider Tricks

I can't stress enough how helpful a digital scale is for this. Gentle mixing really does change your results. My little oven thermometer saves every batch, and don't skip warming that cocoa powder with butter - it wakes up all that chocolate goodness. And always pick metal pans over glass for even cooking.

Storage Advice

You can keep these treats in a sealed container for up to four days. I love warming them slightly and dropping ice cream on top for guests. They're also pretty fantastic with your morning cup of joe, if you're into that sort of thing.

Personal Twists

I throw in crushed walnuts sometimes or swap dark chocolate chunks for the chips. During Christmas I stick colorful candies on top before baking. And have you tried swirling in some almond butter? Total game changer. Go wild with your own ideas.

Common Questions

Sure, box mixes work in a pinch, but homemade really tastes way better. Pay attention to how you stack your layers and yes, they turn out great with GF flour blends - I've made them that way many times.

Brownie Mastery

Finding that sweet spot between fudgy inside and crackly top took some kitchen fails first. It comes down to how long you whip your egg mixture and giving the butter and cocoa time to hang out together. Small things make big differences here.

A close-up image of two stacked chocolate brownies topped with chocolate chips, surrounded by scattered chocolate chips on a dark surface. Pin it
A close-up image of two stacked chocolate brownies topped with chocolate chips, surrounded by scattered chocolate chips on a dark surface. | tastyhush.com

Homemade Happiness

Putting these together from scratch just makes my day better. I love adjusting the sweetness, picking out my favorite chocolate brands, and watching everyone's eyes widen at first bite. Nothing from a package comes close to something made with such care.

Frequently Asked Questions

→ When are the brownies fully cooked?
They’re ready when the edges are firm but the center has just a little jiggle. If needed, bake longer after checking around 45 minutes. An oven thermometer is handy for accuracy.
→ What’s the benefit of brown butter?
Brown butter deepens the cookie dough’s flavor, adding a warm, nutty taste. Be sure to end up with 90g once it’s browned. Add water if there’s less.
→ Can these be prepped in advance?
Absolutely. Let them cool fully, then store them airtight. They’ll stay tasty for a few days.
→ Why swirl the cookie dough?
Swirling creates a pretty look and ensures every piece has the right mix of cookie and brownie while keeping the ideal texture.
→ Tips for slicing cleanly?
Cool the bars to room temperature first. That way, they set and cut better. Use a sharp knife and wipe it clean between each slice.

Cookie Brownie Bars

Brownie bars featuring gooey layers of fudgy brownies and nutty brown butter cookie dough swirls. A fun twist on classic desserts.

Prep Time
45 Minutes
Cook Time
45 Minutes
Total Time
90 Minutes
By: Maria

Category: Desserts

Difficulty: Difficult

Cuisine: American

Yield: 16 Servings (16 bars)

Dietary: Vegetarian

Ingredients

01 1/4 teaspoon baking soda.
02 1 egg, at room temperature.
03 24g cocoa powder, dutch process (1/4 cup).
04 130g semi-sweet chocolate chunks (3/4 cup).
05 113g unsalted butter (8 tablespoons) reserved for cookies.
06 2 large eggs.
07 50g white granulated sugar (1/4 cup).
08 1/2 teaspoon salt.
09 100g dark brown sugar (1/2 cup).
10 1/2 teaspoon baking powder.
11 1/2 teaspoon vanilla extract.
12 80g plain flour (2/3 cup).
13 160g all-purpose flour (1 1/3 cup).
14 113g unsalted butter (8 tablespoons).
15 200g sugar (1 cup).
16 180g semi-sweet chocolate chips (1 cup).

Instructions

Step 01

Melt butter in a pan on medium heat, stirring until golden brown with small speckles. Pour into a bowl, keeping 90g aside.

Step 02

Set your oven to 350°F/175°C to warm up. Rub butter on an 8-inch square pan and line it with parchment paper.

Step 03

Combine melted butter and chocolate until smooth. Stir in cocoa powder. Whisk sugar and eggs separately until airy, then mix with chocolate. Gently add flour and salt.

Step 04

Stir brown butter with sugars. Mix in the egg and vanilla, followed by the dry ingredients and chocolate pieces. Don't overmix.

Step 05

Start with half the brownie batter, then add 2/3 of the cookie dough in pressed-down pieces. Follow with the rest of the brownie batter and scatter leftover cookie bits. Bake for 40-45 minutes until edges firm.

Notes

  1. Center may jiggle a bit when finished.
  2. Let cool completely before cutting and eating.
  3. Highly recommend using an oven thermometer for accuracy.

Tools You'll Need

  • Kitchen scale for precise measurement.
  • Square baking pan, 8-inch size.
  • Baking parchment paper.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains eggs.
  • Contains dairy.
  • Includes wheat.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 368
  • Total Fat: 20 g
  • Total Carbohydrate: 44 g
  • Protein: 4 g