Wood-fired Mushroom & Truffle Sourdough Pizza

Sourdough starter (23%) (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), chestnut mushroom (10%), mozzarella cheese (milk), crème fraîche (milk), water, portobello mushrooms (6%), whole milk, mascarpone cheese (milk), wheat semolina, whipping cream (milk), tomato purée, extra virgin olive oil, olive oil, salt, parsley, cornflour, yeast, garlic purée, carrot, truffle (0.2%), wheat flour, dextrose, deactivated yeast, black olive, flavouring, unsalted butter (milk), gelling agent (pectins), wheat gluten, rapeseed oil, black pepper, malted wheat flour, chilli, concentrated lemon juice, thyme, white pepper