Clean the leek, halve lengthwise, wash and cut into thin rings. Halve chillies lengthwise, remove seeds. Wash chilli pepper, chop finely. Peel garlic and chop finely. Cut mango pulp from the stone.
Dice the flesh and cut from the skin. Wash the meat, dab dry and chop finely. Cook rice in boiling salted water according to package instructions. Heat oil in a large pan. Brown the meat in it for 2-3 minutes all around, take it out.
Fry the leek and chilli in the frying fat. Add mango and garlic and fry briefly. Add coconut milk and 250 ml water, bring to the boil, stir in curry paste. Let simmer for 5 minutes. Drain rice and let it drain.
Add meat to curry and stir in chutney. Season everything with soy sauce. Serve with rice and garnish with coriander.