Grazia De Martino Grazia is a sourdough baker and teacher in Zürich. She grew up in Salerno, near the Amalfi and Cilento Coast, and founded Grazia's Baking, where she teaches bread making with sourdough culture. She is president of Il Pane, an association that works with Museum Mühlerama on the bread cultures of different countries. After years in Dubai and Amman, she has lived in Zürich since 2018. Her sourdough starter comes to every class — including inside the panettone.Valentina Pace Valentina is a Food Creator, an Italian culinary culture expert. She comes from Matera in Basilicata and later lived in Parma, two cities that value Italian food traditions in their own way. For the past two years, she has devoted herself entirely to food: on her social media channel italian_cultural_kitchen she shares Italian recipes focusing on their regional origins. The capunti in this course come from her home region, and they are also the typical pasta shape for Christmas holidays.