In a bowl, mix together the flour, sugar, baking soda, salt, and cocoa powder. Blend well. Add in the oil, milk, egg, and vanilla and stir until mixed. Add in the vinegar and food coloring last. Stir the batter until all the food coloring has blended into the batter.

Line a mini muffin pan with mini cupcake liners. Drop the batter by teaspoonful (cookie scoop fulinto the liners. Bake at 350 degrees for about 20 minutes or until a toothpick inserted into the center of one of the cupcakes comes out clean. This recipe will make roughly 50 to 72 mini cupcakes. Top with a cream cheese frosting or another one of your favorite frosting recipes.