Noun
liver and onions (uncountable)
A cooked meal consisting of liver fillets with onions, especially sliced, and other seasoning.
And I realized I'd turned into my mother, a happy woman with a variety of interests who cared not at all that the trendy crowd didn't pursue Scrabble, tole painting, crocheting, antique furniture or liver and onions. Source: Internet
She cooked simply, dishes like pot roast, liver and onions, poached fish. Source: Internet
Meats include pulled pork, liver and onions and brisket, plus fried chicken and catfish and $6 sandwiches. Source: Internet
However, I can’t imagine anyone using it to describe liver and onions. Source: Internet