Roast the cashew nuts in a wok or large pan without fat, remove. Clean, wash and cut the peppers into pieces. Clean and wash spring onions and cut them into small pieces.
Clean the chillies, carve lengthwise, remove seeds, wash and cut into thin rings. Peel garlic and chop very finely. Wash the meat, dab dry and chop.
Heat the oil in a wok or large frying pan. Stir-fry the chicken for 3-4 minutes. Add garlic, chilli, paprika and spring onions and stir-fry for 3-4 minutes.
Mix starch, 5 tablespoons cold water, oyster and soy sauce. Stir into the wok and simmer for 2 minutes. Season to taste with a little salt and sugar. Serve everything. Cut the cress from the bed and sprinkle over it.
It goes well with rice.