Guittard Chocolate Extra Dark Nocturne, 91% Cacao, 10 Bars Guittard Sale! from 21538 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Each bar is 1.1 pounds of an extra dark, multi-bean blend and is uniquely complex with a layered approach of red fruit and nut notes held up with a solid chocolate base. 91% cacao.