In a large bowl, whisk together the flour, sugar, cocoa powder, baking soda, and salt. In a separate bowl, mix together the oil, coffee, vanilla extract, egg, and sour cream until combined.
Add the wet ingredients to the dry ingredients and mix until just combined. Do not over mix.
Fill cupcake liners about 2/3 full with the batter. Bake for 18-20 minutes, or until a toothpick inserted into the center comes out clean.
Allow the cupcakes to cool completely before frosting.
Interesting Facts
This cupcake recipe is vegan friendly.
The coffee helps to enhance the chocolate flavor of the cupcakes.
The cupcakes can be stored in an airtight container for up to 3 days.