▁ ▁In ▁York shire , ▁Not ting ham shire , ▁Derby shire ▁and ▁parts ▁of ▁Lincoln shire , ▁m ush y ▁pe as ▁are ▁often ▁served ▁as ▁a ▁sn ack ▁on ▁their ▁own . ▁In ▁Not ting ham shire ▁they ▁are ▁tradition ally ▁accompanied ▁by ▁mint ▁sau ce , ▁and ▁sold ▁at ▁open - air ▁events ▁such ▁as ▁fair s ▁or ▁f êtes . ▁In ▁Derby shire ▁and ▁Not ting ham shire , ▁m ush y ▁pe as ▁served ▁with ▁ch ips ▁is ▁called ▁a ▁' pe a ▁mix '. ▁M ush y ▁pe as ▁are ▁also ▁popular ▁in ▁Scotland , ▁served ▁with ▁fish ▁and ▁ch ips , ▁or ▁as ▁a ▁wet ter ▁version ▁with ▁vin eg ar ▁in ▁a ▁bow l . ▁▁ ▁A ▁variant ▁( part icular ly ▁popular ▁around ▁Bol ton ▁and ▁B ury ▁of ▁Gre ater ▁Manchester , ▁and ▁Pr eston , ▁Lanc ash ire ) ▁is ▁par ched ▁pe as ▁– ▁car lin ▁pe as ▁( also ▁known ▁as ▁map le ▁pe as ▁or ▁black ▁pe as ) ▁so aked ▁and ▁then ▁bo iled ▁slowly ▁for ▁a ▁long ▁time ; ▁these ▁pe as ▁are ▁tradition ally ▁served ▁with ▁vin eg ar . ▁ ▁M ush y ▁pe as ▁have ▁occasionally ▁been ▁referred ▁to ▁as ▁" Y ork shire ▁cav iar ". ▁ ▁Art ific ial ▁colour ing ▁Com mer cially ▁produced ▁m ush y ▁pe as ▁contain ▁artificial ▁colour ants ▁to ▁make ▁them ▁green ▁- ▁without ▁these ▁the ▁d ish ▁would ▁be ▁mur ky ▁grey . ▁Trad itionally