From Longman Dictionary of Contemporary Englishmushy peasˌmushy ˈpeas noun [plural] British English DFFsoft cooked peas, eaten especially in the north of England
Examples from the Corpus
mushy peas• Chips and mushy peas by the coast are as popular as ice cream and donkey rides.• All the walls were painted a sickly green: the same colour, thought Marie, as mushy peas.• So do I. They emerge from the tunnel like an ad for mushy peas.• But it seems it will take more than 1992 to set the Continental palate tingling to the tune of mushy peas. 