1 orange, fine zest only
300²µ/10Β½΄Η³ϊ pumpkin or butternut squash, peeled and cut into 5cm/2in chunks
150²µ/5Β½΄Η³ϊ caster sugar
1Β½ tsp salt
3 tbsp mixed seeds
550g/1lb 4oz strong white flour, plus extra to dust
7g fast-action dried yeast
60g/2ΒΌoz unsalted butter, softened
2 free-range eggs, lightly beaten
1 free-range egg
2 tbsp full-fat milk