1.Place chicken in a ceramic dish and add garlic, lime juice, olive oil, salt, pepper, coriander leaves, paprika and chilli powder. Refrigerate overnight if possible but for at least 1 hour.
2.Chop mango, place in a bowl with garlic, onion, coriander leaves and chilli, and mix gently.
3.Lift chicken from marinade and cook in a frying pan for 5 to 6 minutes on each side until cooked through.
4.Warm tortillas on a griddle or in the microwave and serve topped with sliced chicken and mango salsa.