Mushroom pie recipe | Good Food

Ingredients

• 200g unsalted butter
• 400g plain flour
• 1 tbsp thyme leaves
• 2 eggs
• 130ml cold whole milk plus a splash
• 25g dried mixed mushrooms
• 750g chestnut mushrooms
• 500g portobello mushrooms
• 200g button mushrooms
• 3 tbsp olive oil plus a drizzle if needed
• 50g butter
• 1 onion thinly sliced
• 50g plain flour
• 1 tsp white wine vinegar
• 3 tbsp brandy
• 500ml mushroom or veg stock
• 1 tsp Marmite
• 150ml double cream
• ½ small bunch of tarragon leaves picked and finely chopped