Name: You and me chicken pot pies
Prep time: 30 min
Cook time: 55 min
Yield: 4
Cuisine: British
Ingredients: Cooking spray; 625g boneless, skinless chicken breasts, cut into 1 1/4-cm chunks; 1 tsp salt; Freshly ground black pepper; 2 tbsps olive oil, divided; 2 leeks, bottom 10cm only, washed well, chopped; 2 celery stalks, chopped; 2 medium potatoes cut into 1 1/4-cm pieces; 250g French beans, trimmed, chopped into 1 1/4-cm pieces; 2 cloves garlic, minced; 360ml low-fat milk; 1/3 cup plain flour; 480ml low-sodium chicken stock; 1 cup frozen peas; 2 tbsps chopped fresh parsley leaves; 1 tbsp fresh thyme leaves; 3 sheets frozen filo pastry, thawed; 2 tbsps grated Parmesan cheese