Wash the fish, pat dry, dice and sprinkle with lemon juice. Clean, wash and cut the leek into rings. Quarter the peppers, clean, wash and cut into strips. Heat oil in a wok or frying pan.
Fry the vegetables in it. Peel the garlic and press it through a garlic press to the vegetables. Drain the bamboo shoots. Peel ginger and grate finely. Add sprouts and ginger to the vegetables, simmer for 2-3 minutes.
Mix the fixed powder, cream, 100 ml water and coconut milk. Pour over the vegetables and bring to the boil. Add fish and let it simmer for about 5 minutes at low heat. Garnish with parsley. Serve with rice or farmhouse bread.