Shop › Castelvetrano Olive June 29 Image 1 of 2 Image 2 of 2 Castelvetrano Olive June 29 $14.00 Long fermented, naturally leavened sourdough bread with high quality, vibrant castelvetrano olives and lemon zest. Purchase Added! Long fermented, naturally leavened sourdough bread with high quality, vibrant castelvetrano olives and lemon zest.