Definition of "parritch"

"You know my father's name?" / "It would be strange if I didnae," he returned, "for he was my born brother; and little as ye seem to like either me or my house, or my good parritch, I'm your born uncle, Davie, my man, and you my born nephew. So give us the letter, and sit down and fill your kyte."

1886 May 1 – July 31, Robert Louis Stevenson, “I Make Acquaintance of My Uncle”, in Kidnapped, being Memoirs of the Adventures of David Balfour in the Year 1751: […], London, Paris: Cassell & Company, published 1886, page 17

" It's vera different frae my last place," says I, discontented-like. And the words were true eneugh, for auld Fairmer Scott only gave me a pund a month and parritch twice a day.

1895, Arthur Conan Doyle, The Mystery of Cloomber, page 85

Kirstie gives milk for Isabella and my parritches.

1977, David Garnett, Up she rises, page 171

And here was me thinkin' as I should add a bit o' ginger and brimstone to your parritch, young man, so as to bring ye up to scratch!

2015, Diana Gabaldon, A Breath of Snow and Ashes, page 200