2001, Simon Gray, Enter a Fox, Granta Books (2005), ISBN 9781862077454, page 118:When she came back she was carrying a tray of coffee and a muffiny thing.
2007, Madeleine Blais, Uphill Walkers: Memoir of a Family, Grove Press (2007), ISBN 0802138926, pages 85-86:Irish faces tend to be either like hers, all lines and angles, or round and muffiny, circle upon circle.
2010, Daniel Pinkwater, Adventures of a Cat-Whiskered Girl, Houghton Mifflin Books for Children (2010), ISBN 9780547223247, page 104:Of course, it could, and was—a sweet muffiny smell, the smell you would get if you opened a bag of muffins and stuck your nose in.