Brookies — the irresistible fusion of fudgy brownies and chewy chocolate chip cookies — are the ultimate dessert for indecisive sweet lovers. This layered bar cookie combines the best of both worlds: a rich, dense brownie base topped with golden, chewy cookie dough baked into a thick, gooey square.
These brookies are everything you crave in one bite — melty chocolate, crackly tops, buttery cookie dough, and a dense, fudgy interior. They’re perfect for parties, potlucks, or cozy nights when you can’t choose between a brownie or a cookie. And yes, they’re 100% made from scratch.
Ingredients Overview
Brownie Layer
Unsalted Butter
Melted butter adds richness and a dense, moist texture to the brownies. For even more flavor, brown the butter before mixing.
Granulated Sugar & Brown Sugar
A combo of both sugars ensures sweetness with a hint of molasses from the brown sugar, helping with that signature chew.
Egg + Egg Yolk
Using an extra yolk adds moisture and enhances the fudgy texture.
Cocoa Powder
Unsweetened cocoa powder brings intense chocolate flavor. Dutch-process yields a smoother, darker brownie.
All-Purpose Flour
A small amount to hold the brownie together — just enough to give structure without becoming cakey.
Chocolate Chips
Optional but recommended for added gooeyness.
Cookie Layer
Butter
Softened (not melted) butter makes for chewy, golden cookies.
Brown Sugar + White Sugar
Brown sugar leads here to enhance chew and depth. The small addition of white sugar helps with spreading and crisp edges.
Egg
Provides structure and helps hold the cookie dough together.
Vanilla Extract
Essential for cookie flavor — use pure vanilla for best results.
All-Purpose Flour
Provides the body of the dough — measure accurately for balanced texture.
Baking Soda + Salt
Classic cookie leaveners for just the right lift and flavor.
Chocolate Chips
Use semi-sweet or dark for pockets of melty goodness.
Step-by-Step Instructions

1. Preheat the Oven & Prep Pan
Preheat oven to 175°C (350°F). Line an 8×8-inch baking pan with parchment paper and lightly grease.
2. Make the Brownie Batter
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Melt ½ cup unsalted butter and stir in ½ cup granulated sugar and ¼ cup brown sugar until smooth.
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Whisk in 1 egg and 1 egg yolk. Add 1 tsp vanilla extract.
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Sift in ½ cup cocoa powder, ¼ cup flour, and ¼ tsp salt. Mix until just combined.
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Fold in ¼ cup chocolate chips.
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Spread brownie batter evenly into the bottom of the prepared pan.
3. Make the Cookie Dough
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In a separate bowl, beat ½ cup softened butter with ⅓ cup brown sugar and 2 tbsp white sugar until creamy.
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Add 1 egg and 1 tsp vanilla extract. Mix until smooth.
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Stir in 1 cup flour, ½ tsp baking soda, and ¼ tsp salt.
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Fold in ½ cup chocolate chips.
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Drop spoonfuls of cookie dough over the brownie layer and gently press down to mostly cover.
4. Bake
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Bake for 28–32 minutes until the cookie layer is golden and the center of the brookie is just set.
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A toothpick should come out with a few moist crumbs — not wet batter.
5. Cool & Slice
Allow brookies to cool completely in the pan before slicing into squares. This helps them firm up and makes clean cuts easier.
Tips, Variations & Substitutions
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Extra Gooey? Slightly underbake and let cool for a molten center.
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Add-ins: Chopped walnuts, pecans, or espresso powder for complexity.
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Gluten-Free: Use a 1:1 gluten-free flour blend in both layers.
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Dairy-Free: Substitute plant-based butter and dairy-free chocolate chips.
Serving Ideas & Occasions
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Dessert bars for parties or bake sales.
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Ice cream sandwich base — just add a scoop in the middle!
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Holiday trays or cookie boxes — they keep beautifully.
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Serve warm with vanilla ice cream and drizzle with hot fudge.
These brookies are a crowd-pleaser at any event or the perfect treat for a cozy movie night.
Nutritional & Health Notes
While indulgent, brookies are rich enough that a small square goes a long way. Made from scratch, they avoid preservatives and can be customized with higher-quality chocolate, unrefined sugars, or allergen-friendly ingredients. For smaller portions, slice into bite-size bars and store in the fridge or freezer.
FAQs
Q1: Can I double the recipe?
A1: Yes — bake in a 9×13-inch pan and increase the baking time to 35–40 minutes.
Q2: Can I make these ahead of time?
A2: Absolutely. Brookies keep well in an airtight container at room temperature for 3–4 days or refrigerated for up to a week.
Q3: Can I freeze brookies?
A3: Yes. Slice and freeze individually for up to 2 months. Thaw at room temperature or warm briefly in the microwave.
Q4: How do I keep the layers from mixing?
A4: Make sure the brownie layer is thick and evenly spread before gently adding the cookie dough. Drop cookie dough in spoonfuls, then lightly spread.
Q5: Can I use boxed brownie mix?
A5: Yes — use half a box of brownie mix and prepare as directed for an easy shortcut. The cookie dough should still be made from scratch for best results.
Q6: Why are my brookies dry?
A6: Overbaking is the most common reason. Remove from the oven when a toothpick comes out with moist crumbs. They’ll firm up as they cool.
Q7: Can I make them egg-free?
A7: Yes — use flax eggs (1 tbsp flax meal + 2½ tbsp water per egg), though texture may be slightly softer.
PrintSemi Sweet Bakers Chocolate Recipes – Perfect Brookies
These homemade brookies combine fudgy brownies and chewy chocolate chip cookies in one pan — the perfect dessert bar for chocolate lovers!
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 16 squares 1x
Ingredients
Brownie Layer:
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½ cup unsalted butter, melted
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½ cup granulated sugar
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¼ cup brown sugar
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1 egg + 1 egg yolk
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1 tsp vanilla extract
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½ cup cocoa powder
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¼ cup all-purpose flour
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¼ tsp salt
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¼ cup chocolate chips
Cookie Layer:
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½ cup unsalted butter, softened
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⅓ cup brown sugar
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2 tbsp granulated sugar
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1 egg
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1 tsp vanilla extract
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1 cup all-purpose flour
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½ tsp baking soda
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¼ tsp salt
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½ cup chocolate chips
Instructions
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Preheat oven to 350°F (175°C) and line an 8×8 pan with parchment.
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Make brownie batter: melt butter, mix in sugars, egg, cocoa, flour, salt, and chips. Spread in pan.
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Make cookie dough: cream butter and sugars, mix in egg and vanilla. Add dry ingredients and chips.
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Drop cookie dough over brownie layer and gently spread.
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Bake for 28–32 minutes, cool completely before slicing.
Notes
Store in an airtight container for up to 5 days. Freeze for longer storage. Add nuts or swirl in peanut butter for extra flavor.
