Baby-friendly Chicken, Sweet Potato and Kale Filo Pie

Name: Baby-friendly Chicken, Sweet Potato and Kale Filo Pie
Prep time: 35 min
Cook time: 1 h 45 min
Total time: 1 h 45 min
Yield: 6 portions
Ingredients: 250 g sweet potatoes; 500 g water; 150 g kale; 2 garlic cloves; 20 g olive oil; 5 g fresh parsley leaves; 100 g shallots; 400 g chicken thighs, boneless and skinless; 30 g tomato purée; 100 g passata; 1 tsp smoked paprika; 1 tsp dried oregano; ¼ tsp ground black pepper; cooking spray, any oil; 5 sheets filo pastry