Noun
duchess potatoes pl (plural only)
A purée of mashed potato and egg yolk, moulded or piped into various shapes which are then baked until golden.
My mum and my husband are from Irish backgrounds so we have a lot of potatoes. Chips, mashed, boiled, new potatoes, I love them all. Even the slightly wanky ones like Duchess potatoes that go up in a little spiral. Jo Brand