Potato Rosemary Flatbread with sherry vinegar

Method

1. Start by prepping your pizza dough, olive oil, mozzarella so the cooking goes quickly.
2. Set a wide pan over medium heat and sweat the yellow onion in a little butter until translucent.
3. Turn the heat up, add the potato rosemary, and cook until deeply browned and aromatic.
4. Fold in the black pepper and season generously; give everything a minute to come together.
5. Pour in the chicken stock, bring to a gentle simmer, and cook until thickened and glossy.
6. Taste and adjust, then finish with a drizzle of olive oil right before serving.
7. Plate it up while hot and pass extra at the table.