a bergere blanc de blancs soleraA. Bergre Blanc de Blancs Solera Following the grape harvest in September, the winemaking process begins with the fermentation and storage of the wine. It undergoes this transformation in both stainless steel tanks and oak barrels. Subsequently, the second fermentation occurs within the bottle, adhering strictly to the traditional Champagne Method, spanning a period of 36 to 48 months. The term "Solera" means a blending technique, wherein a