marron glacé
Concise Oxford English Dictionary © 2008 Oxford University Press:
marron glacé /ˌmarɒ̃ ˈglaseɪ/
▶noun (pl. marrons glacés pronunc. same) a chestnut preserved in and coated with sugar.
– origin Fr., ‘iced chestnut’.
'marron glacé' also found in these Oxford entries:

