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1
To make cupcakes: Heat oven to 350 degrees F. Line 12-cup muffin pan with paper liners.
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2
In a small bowl, whisk flour, cocoa, baking powder, baking soda, and salt.
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3
In a large bowl, with mixer on medium speed, beat butter and sugar until light and creamy.
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4
Beat in eggs, 1 at a time.
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5
In a glass measure, combine buttermilk, food coloring, vanilla, and vinegar.
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6
With mixer on low, beat in flour mixture in thirds, alternating with buttermilk mixture, until blended.
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Beat 2 minutes, scraping bowl occasionally, until batter is smooth.
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8
Divide batter evenly among muffin cups.
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9
Bake 18 to 22 minutes, until a pick inserted into cupcakes comes out clean.
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10
Let cool in pan 5 minutes before removing to a wire rack to cool completely.
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11
To make frosting: In a large bowl, with electric mixer on medium, beat cream cheese and butter until well blended.
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12
Add confectioners' sugar and vanilla and beat until smooth and fluffy.
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13
Frost cupcakes and refrigerate to firm up frosting.
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14
Bring to room temperature before serving.
