Preheat the oven to 350℉. Line 12 cupcake cavities with liner, and set aside.
Sift all dry ingredients, including the Cocoa Powder, which tends to clump up.
1½ cups All-purpose flour, ¼ cup Cocoa powder, ½ teaspoon Baking powder, 1 teaspoon Baking soda, ¼ teaspoon Salt
Melt the Butter and beat it with sugar.
1 tablespoon Butter, 1 cup Sugar
Add the Oil and White Vinegar and keep mixing until the mixture is smooth.
1 tablespoon White vinegar, ½ cup Oil
Add in the Egg, and vanilla extract, At this point, we need to beat the mixture for a good 2-3 minutes. The mixture will turn into a smooth, creamy mixture!
1 Egg, 2 teaspoon Vanilla extract
Start adding the dry ingredients, alternating with the brewed coffee. Do this in three passes. Start and finish with dry ingredients. Do not overmix.
1 cup Coffee
Fill the lined cupcake cavities to ⅔ of their capacity. Bake them for 15-18 minutes or until an insert comes out clean. Let them cool down before frosting.