BBC Food - Recipes - Mushroom millefeuille

Ingredients

• 500g/1lb 2oz all-butter puff pastry
• pinch of cayenne, paprika or chilli flakes, optional
• 2 shallots , finely chopped
• 450g/1lb chestnut mushrooms , finely chopped
• 25g/1oz butter
• salt and freshly ground black pepper
• small bunch tarragon leaves, chopped
• splash of Madeira
• 200ml/7fl oz double cream
• handful girolle mushrooms, chopped
• knob of butter
• squeeze of lemon juice
• small handful chives , chopped, to garnish