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Prep Time
10 minutes
Cook Time
30 minutes
Total Time
40 minutes
Ingredients
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1 cup (226 g) unsalted butter, melted and slightly cooled
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1 cup granulated sugar
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½ cup brown sugar, packed
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2 large eggs, room temperature
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2 teaspoons vanilla extract
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2½ cups all-purpose flour
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¾ cup unsweetened cocoa powder
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1 teaspoon baking powder
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½ teaspoon salt
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1 cup semi-sweet chocolate chips (optional but recommended)
Instructions
- Preheat oven to 350°F (175°C). Line a 9×13-inch baking pan with parchment paper or lightly grease it.
- In a large bowl, whisk together the melted butter, granulated sugar, and brown sugar until smooth and glossy.
- Add the eggs and vanilla extract, mixing until fully combined.
- In a separate bowl, whisk together the flour, cocoa powder, baking powder, and salt.
- Gradually add the dry ingredients to the wet ingredients, mixing just until combined. Do not overmix.
- Fold in the chocolate chips if using.
- Spread the batter evenly into the prepared pan.
- Bake for 25–30 minutes, or until a toothpick inserted into the center comes out with a few moist crumbs (not wet batter).
- Remove from the oven and allow to cool completely before slicing into bars.
Notes
- For extra fudgy bars, slightly underbake by 1–2 minutes.
- Use Dutch-processed cocoa powder for a deeper chocolate flavor.
- Let the bars cool fully before cutting for clean edges.

These Chocolate Cookie Bars are everything you love about classic chocolate chip cookies—just easier and extra indulgent. Soft, chewy, and loaded with rich chocolate, they’re baked in one pan with no scooping required. Perfect for parties, bake sales, or a quick sweet fix when cookie cravings hit fast.
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