The Density of energy in a Demon's Body is not spread evenly. In order of density, it goes:

-Head

-Central Body

-Arms/Legs

-Wings

-Extraneous Bits

The Head contains so much energy that removing it from the rest of the body can cause a total body shut down, in most cases. Destroying the center of the body can also disrupt energy so severely that the body may shut down, but not always. 

The flavor of the head is MUCH stronger than the rest of the body and should be eaten slowly so as not to overwhelm the senses.

The eyes however usually are quite mild tasting and slightly sweet.

Recommended spices are as follows:

-Book in progress of being written by Saint Mu, titled "How to Serve Demon"