__ Mozzarella, From a Big Wild Ox
Puzzle 18 of Energy Sources Hard Pack
Question is: __ Mozzarella, From a Big Wild Ox
and the answer is: BUFFALO
Word Meaning:
BUFFALO — An animal from the subtribe Bubalina, also known as true buffalos, such as the Cape buffalo, Syncerus caffer, or the water buffalo, Bubalus bubalis.
Definitions from Wiktionary.