Popsugar Living Cooking Basics How Is Champagne Made? From Grape to Glass: How Sparkling Wine Is Made October 5, 2016 by Anna Monette Roberts View On One Page Photo 8 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 Machine-Powered Riddling This used to all be done by hand, but at Mumm, the riddling now occurs in machine-powered cages. Photo: Anna Monette Roberts Previous Next Start Slideshow Cooking BasicsHolidayHoliday FoodHoliday LivingWineCaliforniaSparkling WineChampagne