Lay pizza base on a lined oven tray. Spread pizza sauce evenly across the base, top with spinach, then place mozzarella so that each slice will get some, repeat for the fig. Add chunks of duck and blue cheese across the pizza then season with salt and pepper.
Place in the oven to cook until cheese is melted and there is some crispiness.
Serve topped with rosemary sprigs and scattered red onion.