Wood-fired Prosciutto Cotto, Chestnut Mushroom & Mascarpone Sourdough Pizza

Sourdough starter (20%) (wheat flour (wheat flour, calcium carbonate, iron, niacin, thiamin), water, wheat flour, wheat starch, malted wheat. sourdough culture (wheat)), wheat flour (wheat flour, calcium carbonate, iron, niacin, thiamin), mozzarella cheese (milk), chestnut mushrooms (7%), béchamel sauce (milk, whipping cream (milk), water, cornflour, unsalted butter (milk), gelling agent (pectin), salt, white pepper), prosciutto cotto ham (6%) (pork leg, salt, dextrose, sugar, antioxidant (sodium ascorbate), flavouring, preservative (sodium nitrite)), mascarpone cheese (6%) (cream (milk), milk proteins), semi-dried tomatoes (tomatoes, vegetable oils [rapeseed, sunflower], water, apple cider vinegar, parsley, salt, garlic powder, mint, chilli pepper, acidity regulator (citric acid)), crème fraîche (milk), water, wheat semolina, pecorino cheese (milk), tomato purée, parsley, extra virgin olive oil, salt, rapeseed oil, garlic, yeast, lemon juice, wheat flour, basil, dextrose, deactivated yeast, black pepper, wheat gluten, low sodium sea salt, malted wheat flour, concentrated lemon juice, muscovado sugar, thyme ALLERGY ADVICE: For allergens, including cereals containing gluten, see ingredients in bold.