Sprinkle the salt, pepper and cayenne all over the cow head.
Completely wrap the cow head in several layers of banana leaves, securing it with kitchen twine.
In a banana-leaf-lined hotel pan, pour two bottles of beer.
Set the banana-leaf-wrapped cow head into the pan, and fold over pan-lining leaves.
Cover cow head and bottom pan with another hotel pan. Secure tight with kitchen twine.
Smoke for 24 hours, remove meat from head (will have to peel the skin off of the tongue), pull apart and make tacos!
Smoked cow head barbacoa | www.homesicktexan.com