Chicken, Cheese and Mushroom Strudels

Name: Chicken, Cheese and Mushroom Strudels
Prep time: 20 min
Cook time: 25 min
Total time: 45 min
Cuisine: European, British
Ingredients: cooking spray; 420 g chicken breast fillets, diced (3 small single); 1 medium onion, finely chopped; 2 garlic cloves, crushed; 200 g button mushrooms, sliced; 8 sheets phyllo pastry; 60 g weight watchers reduced-fat tasty cheese, grated; 2 teaspoons sesame seeds; baby spinach leaves, to serve