300²µ/10½´Ç³ú passata (optional)
300²µ/10½´Ç³ú ‘00’ flour
freshly ground black pepper
½ tsp caster sugar
35ml/1¼fl oz olive oil, plus extra for greasing
2 tsp salt
200g/7oz strong white bread flour, plus extra for sprinkling
5g fresh yeast or 2.5g dried fast-action yeast
120²µ/4¼´Ç³ú gorgonzola, cubed
140g/5oz mozzarella, well drained and ripped into small pieces
60²µ/2¼´Ç³ú Parmesan, very finely grated