Poulet Aux Écrevisses (Chicken Fricasse with Crayfish)

Ingredients

• 2 kg (approx 4.4 lbs) chicken, portioned
• 24 cooked crayfish
• 60 g (approx 2 ounces) of butter
• 3 shallots, minced
• 2 carrots, diced
• 1 diced onion
• 3 garlic cloves, crushed
• 30 ml (approx 2 tablespoons) of Cognac
• 120 ml (approx ½ cup) of dry white wine
• 30 ml (approx 2 tablespoons) of tomato puree
• 200 ml (approx1 cup) of chicken stock
• 60 ml (approx ¼ cup) of crème fraiche
• 120 ml (approx ½ cup) of torn fresh basil