In a large bowl, combine the all purpose flour, baking powder, baking soda, salt, unsweetened cocoa, and sugar.
Mix until well combined.
Add in the eggs, vegetable oil, and buttermilk.
Mix until well combine, then add in the vanilla, vinegar, and red food coloring.
Mix the waffle batter until everything is well incorporated.
Heat up the waffle iron, once hot, pour about 1/2 cup ( read your waffle irons instructions) of bater onto the iron.
Cook the waffles until done, then remove from the iron, and place the waffles on a cooling rack for about 1 minute or so.
Serve and enjoy!