300驳/10陆辞锄 chestnut mushrooms, thinly sliced
1 garlic clove, crushed
3 tbsp horseradish 辫耻谤茅别
2 tbsp olive oil
陆 tsp salt
1 free-range egg, beaten
500g/1lb 2oz ready-made puff pastry
800g/1lb 12oz beef sausages, skins removed