INGREDIENTS
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1 recipe or box of brownie mix, prepared and baked
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3/4 cup salted butter, room temperature
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3/4 cup light brown sugar, packed
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1/2 cup granulated white sugar
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3 Tablespoons milk
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1 1/2 teaspoons vanilla extract
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1 1/2 cups all-purpose flour
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1 1/2 cups milk chocolate chips