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Cookie Chunk Brownies (Ultra Fudgy Brownies Loaded with Cookie Pieces)

If you’ve ever stood in the kitchen unable to choose between brownies and cookies, this dessert is your perfect universe where both worlds collide. These Cookie Chunk Brownies are outrageously fudgy, rich, and chocolatey, and every bite includes soft, sweet pockets of cookie pieces that melt into the brownie like magic. The brownie base is intensely moist, deep, and chocolate-forward, thanks to melted chocolate + cocoa powder. Then, instead of simply adding chocolate chips, we fold in chunky bits of cookies — chocolate chip cookies, Oreo-style cookies, or any variety you love. The result? A brownie with gooey centers, chewy edges, and cookie-speckled bites that are soft, warm, and impossible to resist. These are perfect for: Weekends at home Bake sales Birthdays and celebrations Dessert lovers who refuse to choose between cookies and brownies Let’s bake the best of both worlds 🍫🍪✨
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Prep Time 10 minutes
bake time 28 minutes
Total Time 38 minutes
Servings: 12 brownie
Ingredients Equipment Method Notes
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Ingredients
  

For the Brownie Base:
  • 3/4 cup unsalted butter
  • 1 cup granulated sugar
  • 1/2 cup brown sugar
  • 2 large eggs
  • 1 tsp vanilla extract
  • 1/2 cup unsweetened cocoa powder
  • 1 cup all-purpose flour
  • 1/4 tsp salt
For the Cookie Chunks:
  • 1 1/2 cups cookie pieces use chocolate chip cookies, shortbread cookies, or Oreo-style cookies
Optional Add-Ins:
  • 1/2 cup chocolate chips
  • 1/2 cup walnuts optional
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Equipment

  • Mixing bowls
  • Whisk or hand mixer
  • Rubber spatula
  • Measuring cups and spoons
  • 8x8 or 9x9 baking pan
  • Parchment paper
  • Cooling rack

Method
 

Step 1:
  1. Preheat oven to 350°F (180°C). Line your pan with parchment for easy removal.
Step 2:
  1. Melt the butter in a heat-safe bowl. Let cool slightly.
Step 3:
  1. Whisk in the granulated sugar and brown sugar until glossy.
Step 4:
  1. Add the eggs and vanilla extract, mixing until smooth and thick.
Step 5:
  1. Sift in the cocoa powder, flour, and salt.
  2. Fold gently — do not overmix or the brownies will become cakey.
Step 6:
  1. Fold in the cookie chunks, reserving a small handful for the top.
  2. (Also fold in chocolate chips or walnuts if using.)
Step 7:
  1. Spread batter evenly in the prepared pan and press remaining cookie chunks on top.
Step 8:
  1. Bake for 22–28 minutes, depending on desired texture:
  2. Shorter baking = fudgier brownies
  3. Longer baking = firmer brownies
  4. The center should look slightly underbaked — it continues to set while cooling.
Step 9:
  1. Cool in the pan for at least 20 minutes before slicing.

Notes

🧊 Storage & Reheating
Store at room temperature in an airtight container for 3–4 days.
Refrigerate for up to 1 week.
Freeze slices for up to 2 months.
Warm in microwave 8–10 seconds for soft, melty chocolate texture.
🥄 Variations (Normal Style)
Oreo Chunk Brownies:
Use crushed chocolate sandwich cookies for a cookies-and-cream experience.
Peanut Butter Cookie Brownies:
Fold in chunks of peanut butter cookies for a sweet nutty swirl.
Salted Cookie Brownies:
Add a sprinkle of flaky sea salt on top for balanced flavor.
Nutty Cookie Brownies:
Add chopped pecans or walnuts for crunch.
Chocolate Chip Swirl Brownies:
Swirl extra cookie dough on top before baking.
❓ 10 FAQs
What kind of cookies work best?
Any crunchy cookie — chocolate chip, shortbread, vanilla cookies, or Oreo-style cookies.
Can I use soft cookies?
Yes, but the texture will be gooier and less chunky.
Can I double the recipe?
Yes — use a 9x13 pan and increase baking time slightly.
How do I make them extra fudgy?
Underbake by 1–2 minutes and cool fully.
How do I make them thicker?
Use an 8x8 pan rather than 9x9.
Can I leave out chocolate chips?
Yes — the cookies provide plenty of flavor on their own.
Can I use gluten-free cookies?
Yes — they work perfectly.
Why do brownies get cakey?
Overmixing and overbaking — mix gently and remove early.
Can I frost them?
Yes — chocolate ganache or vanilla icing is delicious.
Can kids help make these?
Yes — especially breaking cookie pieces!
🏁 Conclusion
These Cookie Chunk Brownies are rich, warm, and full of cozy cookie-meets-brownie magic. With every bite loaded with chocolate and sweet cookie pieces, they’re the perfect dessert when you want something nostalgic, comforting, and irresistibly indulgent.
Share them, serve them warm, or enjoy them with a cold glass of milk — pure happiness in every bite