ut ▁pr al ine ▁mass ▁at ▁the ▁center , ▁which ▁has ▁a ▁more ▁pron ounced ▁flav or ▁than ▁the ▁shell . ▁ ▁A ▁variant , ▁the ▁Glas m og ge ▁(" l ump ▁of ▁glass ") ▁has ▁no ▁ha z eln ut ▁filling . ▁It ▁consists ▁only ▁of ▁a ▁piece ▁of ▁sugar ▁c andy , ▁which ▁is ▁normally ▁green ▁and ▁pe pp erm int - f lav ored . ▁ ▁As ▁of ▁ 2 0 0 8 , ▁about ▁one ▁million ▁M ä ss m og ge ▁are ▁produced ▁ann ually , ▁of ▁which ▁ 7 0 % ▁are ▁the ▁ha z eln ut - filled ▁variant . ▁Half ▁of ▁the ▁production ▁is ▁sold ▁to ▁market ▁trad ers ▁visit ing ▁fair s ▁across ▁Switzerland , ▁although ▁most ▁M ä ss m og ge ▁are ▁sold ▁at ▁the ▁Bas el ▁aut umn ▁fair . ▁The ▁other ▁half ▁is ▁produced ▁for ▁ret ail ▁and ▁special ty ▁stores ▁mostly ▁in ▁and ▁around ▁Bas el ▁and ▁Sol oth urn . ▁ ▁Production ▁M ä ss m og ge ▁are ▁produced ▁largely ▁by ▁hand ▁in ▁a ▁complicated ▁process . ▁The ▁c andy ▁mass , ▁made ▁of ▁sugar , ▁gl uc ose ▁and ▁water , ▁is ▁war med ▁to ▁ 1 3 4 ▁degrees ▁Cel si us , ▁ag itated ▁in ▁order ▁to ▁become ▁air y ▁and ▁white , ▁colored ▁and ▁fol ded ▁into ▁a ▁strip ed , ▁layer ed ▁paste . ▁The ▁filling , ▁consisting ▁of ▁ro asted ▁and ▁ground ▁ha z eln uts ▁with ▁some ▁fat ▁and