fdlreporter.com -- After 60 years in Fond du Lac, the Gilles family is expanding its frozen custard operations in Green Bay. The family announced Monday that it is opening Gilly’s Frozen Custard Drive-In at 1860 W. Mason St. in Green Bay later this month. The drive-in restaurant is expected to create 50 to 60 jobs, offer indoor dining and be open year-round.