"Best box mix brownie recipe! These easy one-bowl cocoa powder brownies are as easy as boxed mix brownies, but they taste so much better!..."
INGREDIENTS
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1 cup butter (melted)
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1 ½ cups brown sugar (packed)
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½ cup granulated sugar
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1 tablespoon vanilla extract
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4 large eggs
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1 ¼ cups all-purpose flour (weighed or properly measured1)
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1 cup unsweetened cocoa powder
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1 teaspoon salt
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1 cup semisweet mini chocolate chips