Preheat oven to 350℉ (180℃)
Line the cupcake pans with liners.
Combine flour, cocoa powder, sugar, cornstarch, salt, baking powder and baking soda in a large mixing bowl. Note - sift flour and cocoa powder if lumpy
¾ Cup Cocoa Powder, 2 Cups All Purpose Flour, 2 Cups Granulated Sugar, 2 Tablespoons Corn Starch, 1 teaspoon Salt, 2 teaspoon Baking Powder, ½ teaspoon Baking Soda
Add oil and eggs to mixing bowl. Mix until well combined.
¾ Cup Vegetable or Canola Oil, 4 Large Eggs
Slowly pour brewed coffee into bowl while continuing to mix, scraping sides of bowl occasionally. The batter should be smooth.
1 ¼ Cup Brewed Coffee
Scoop batter into the cupcake liners until ⅔ full.
Bake for 18 - 20 minutes, or until cupcakes are fully risen and a toothpick inserted in the center of the cupcakes comes out clean.
Place cupcakes on a rack and allow to cool completely before filling and icing.