Mix the dry ingredients including cocoa powder, flour, and sugar.
Incorporate the wet ingredients, including canola or vegetable oil.
Fold in chocolate chips, ensuring they are evenly distributed.
Chill the batter for a few hours to achieve a taller bake.
Bake the muffins until the tops are domed and the texture is cakey.
For the molten center, either bake a ganache into the center or inject it after baking.
