Chicken Liver Pate (Pâté au foie de poulet)

Trim any membranes and veins from the liver, wash it and cut it into pieces. Cover it in 4 tbsp cognac and stir. Place it in the fridge for a couple of hours. Soften the finely chopped onion in 2 tbsp oil on a medium heat, add the chopped garlic and cook for about a minute. Add the liver and fry it in portions. Cook on a high heat stiring continuously for 5 minutes. Add the remaining cognac and boil off the alcohol. Remove it from the heat, add the thyme and stir. As soon as the liver has cooled add the cream, 4 tbsp oil and blend in a blender. Season well and add the nutmeg. Place the pate in a ceramic dish and pour over the melted butter. Leave it to cool and then place it a fridge for at least 24 hours to mature. Serve with toast.