Chicken and chorizo paella

Name: Chicken and chorizo paella
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: European, Mediterranean, Spanish
Ingredients: Low-calorie cooking spray; 2 onions, finely chopped; 4 garlic cloves, finely chopped; 100g chorizo, roughly chopped; 3 celery stalks, finely chopped; 1 carrot, finely cubed; 2 large tomatoes, peeled, deseeded and roughly chopped; 300g dried paella rice; 4 skinless and boneless chicken breast fillets, cut into 2cm pieces; 4 tbsp tomato purée; 1 tbsp sweet smoked paprika; Large pinch of saffron threads; 200g roasted red peppers in brine from a jar, drained and roughly chopped; 200g frozen peas; Handful of fresh parsley, finely chopped, to serve; Lemon wedges, to serve