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: Mexican, Latin American, American
Ingredients: 700 g water; 3 skinless chicken breast fillets (approx. 800 g), cut into strips (5 x 1 cm); olive oil, for greasing; 200 g cheddar cheese, cut into pieces (3 cm); 4 sprigs fresh coriander, leaves only, plus extra for garnishing; 2 spring onions/shallots, trimmed and cut into pieces; 1 long red chilli, deseeded if preferred; 2 garlic cloves; ¼ red onion; ½ tomato; ½ red capsicum, deseeded and cut into pieces; 2 pinches sea salt; 2 pinches ground black pepper; 70 g pitted black olives, sliced; 250 g sour cream; 40 g lime juice (approx. 2 limes); 10 tortillas; 400 g canned chopped tomatoes