Epimeles — Vol au vent

Ingredients

• 1 chicken
• 100g celery (4 or 5 ribs), in large pieces
• 1 onion, quartered
• 1 tbsp thyme (or a handful of fresh thyme branches)
• 1 bay leaf
• 5 tbsp butter, divided
• 200g (1/2 lb.) white mushrooms, in pieces (around 1cm or 1/2")
• 1 leek, minced
• 1 or 2 tbsp. fresh lemon juice
• 200g (1/2 lb.) ground veal
• 5 tbsp all-purpose flour
• 200 mL (1 c.) cream
• 2 egg yolks
• Freshly ground pepper and salt
• 4 round puff pastries (bouchées à la reine)
• Parsley