Sour cream and chicken enchiladas

Name: Sour cream and chicken enchiladas
Prep time: 20 min
Cook time: 1 h 10 min
Total time: 1 h 30 min
Cuisine: American, Mexican, Latin American
Ingredients: 700 g water; 3 skinless chicken breast fillets; olive oil; 200 g cheddar cheese; fresh coriander; 2 spring onions/shallots; 1 long red chilli; 2 garlic cloves; ¼ red onion; ½ tomato; ½ red capsicum; 2 pinches sea salt; 2 pinches ground black pepper; 70 g pitted black olives; 250 g sour cream; 40 g lime juice; 10 tortillas; 400 g canned chopped tomatoes