MacaronisthespecialtyofVienne,acityinwesternFrance.Itisasweetconfectionmadewitheggs,icingsugar,granulatedsugarandalmondpowderorgroundalmond,Themacaroniscommonlyfilledwithbuttercreamorjamfillingsandwichedbetweentwobiscuits.Theblendedeggwhitesfillsthegapbetweentwohemisphericalshells,whichservesasthetopandthebottompartoftheconfectionary.Theconfectionispetiteandround,andhasarichpalate.