Slowly mix in hot coffee; the batter will be thin (this ensures moist cupcakes).
8. Fill Cupcake Liners & Bake
Fill liners about ⅔ full. Bake 18–22 minutes, or until a toothpick inserted comes out mostly clean.
Cool completely before frosting.
9. Make the Chocolate Fudge Frosting
Heat cream until simmering.
Pour over chocolate and butter; let sit 2 minutes.
Stir until smooth and glossy.
Cool until thickened, then spread or pipe onto cupcakes.
Serving and Storage Tips
