Italian Chicken Pie with Fennel

Ingredients

• 4 cups large chunks cooked chicken
• or
• 3 lb chicken
• 3 lbs chicken pieces or store-bought cooked chicken
• 1 red onion
• 1 small fennel
• 2 red peppers, seeded
• 3 tbsp butter
• 1/3 cup all purpose flour
• 1/2 cup white wine
• 1 cup table cream
• 2 tsp dried leaf basil
• 1 tsp dried leaf sage (optional)
• 1/2 tsp salt
• 410 ml jar of Alfredo pasta sauce
• 1/2 cup shredded fresh basil leaves (optional)
• 1 puff pastry sheet from a 450 g pkg pre-rolled frozen puff pastry or 2/3 of 397 g pkg frozen puff pastry, thawed
• 1 egg, whisked (optional)