Use GenericFood class to add a new food item called Bone Marrow. Recovers 2 chicken leg things, has same saturation as an apple, and is wolf food. Also has a 25% chance to inflict Hunger II for 6 seconds and a 10% chance to inflict Poison II for 6 seconds. Crafted with a bone in the middle and bone meal on the other eight slots, yields 16 Bone Marrow.

Added the food item without the Poison effect, and restoring only a half chicken leg per food item.