INGREDIENTS
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1 cup butter, melted
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4 ½ cups all-purpose flour
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½ cup Dutch-process cocoa
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4 ½ teaspoons baking powder
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1 teaspoon baking soda
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1 ½ teaspoons cinnamon
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½ teaspoon salt
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1 ½ cups granulated sugar
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3 large eggs
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1/3 cup plain yogurt
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7 tablespoons milk
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1 teaspoon vanilla extract
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1 cup chocolate mini chocolate chips