01 -
Preheat oven to 350°F and line a 12-cup muffin tin with cupcake liners.
02 -
In a large bowl, whisk together flour, sugar, cocoa powder, baking powder, baking soda, and salt until evenly combined.
03 -
In a separate bowl, whisk buttermilk, vegetable oil, eggs, and vanilla extract until smooth.
04 -
Gradually add wet ingredients to dry mixture, stirring gently until just combined.
05 -
Stir in hot brewed coffee until batter is smooth and slightly thin.
06 -
Divide batter evenly among liners, filling each about two-thirds full. Bake for 18-22 minutes or until a toothpick inserted in center comes out clean.
07 -
Let cupcakes cool in pan for 5 minutes, then transfer to a wire rack to cool completely before frosting.
08 -
Beat softened butter on medium-high speed until light and fluffy, about 3 minutes. Gradually add powdered sugar, starting on low speed. Add heavy cream, vanilla extract, salt, and orange food coloring. Beat until creamy and light, about 2 minutes.
09 -
Pipe orange buttercream onto cooled cupcakes using a piping bag fitted with a large star or round tip. Garnish as desired.