Wash the meat, dab dry and cut into strips. Peel onion and garlic and chop finely. Peel oranges so that the white skin is completely removed. Cut the fruit into slices. Clean and wash spring onions and cut into rings. Heat the oil in a pan and fry the meat well all around. Add onion, garlic, spring onions and half of the orange slices, fry briefly and sprinkle with curry.
Sauté briefly. Deglaze with stock, orange juice and cream. Season to taste with salt, pepper and sugar. Simmer covered at low heat for about 5 minutes. Stir in sauce thickener, bring to the boil. Add the rest of the orange slices, season again with salt, pepper and sugar. Serve decorated with orange slices and lemon balm as desired