Offal stew: a dish made by simmering beef or pork offal (innards) in miso, soy sauce, or similar seasonings; a common item at izakayas.
寒い日は、温かいモツ煮が一番だ。
On cold days, a hot offal stew is the best.
この居酒屋のモツ煮は柔らかくて味がよく染みている。
This izakaya's motsuni is tender and well-flavored.
母は週末によくもつ煮を作って、家族で食べるのが習慣だった。
My mother often made motsuni on weekends and we would eat it as a family.