Ricotta
Ricotta ( in Italian ) is an Italian whey cheese made from sheep , cow , goat , or Italian water buffalo milk whey left over from the production of other cheeses . 
<triplet> Ricotta <subj> whey cheese <obj> subclass of <triplet> whey cheese <subj> whey <obj> made from material <subj> cheese <obj> subclass of <triplet> whey <subj> milk <obj> part of <triplet> cheese <subj> milk <obj> made from material