Cut the duck into pieces and it season with salt and pepper. Heat the oil in a saucepan, add the meat and simmer until golden brown. Pour away any excess oil from the saucepan. Next, chop the onions, peel the carrot and cut it into small pieces. Then, split the vanilla pods in half, lengthways. Put all the ingredients in the saucepan and simmer for approximately 5 minutes. Add some water, cover with a lid and cook over a low heat for 40 minutes.