Wash the rabbit parts, dab dry. Rub with salt and pepper. Heat oil in a roaster. Fry the rabbit for about 5 minutes. Deglaze with lemon juice and stock.
Wash the rosemary and add. Cover and stew for about 45 minutes at medium heat. After 30 minutes add lentils and sugar. Clean and wash spring onions, cut into wide strips and add to the rabbit 5 minutes before the end of the cooking time.
Season the sauce with salt and pepper. Sprinkle with lemon pepper and garnish with a slice of lemon as desired.