Preparation :
Cut the goose into sections. Put into a saucepan with enough water to cover and boil. Strain and set the goose aside. Chop the onion and tomatoes. Pell the gibsons. Peel the potatoes and fry in 2 tablespoons of butter. Put the goose and onions in the saucepan. Add 2 tablespoons of butter and saute, constantly stirring untill the onions turn golden. Sift some flour into the saucepan and fry the goose over a moderate heat. Put the tomatoes and a glass of stock into a saucepan and boil, then simmer lightly. Add the tomatoes and stock to the goose with the gibsons. Season to taste. Stew and check occasionaly with a fork. Add the potatoes 2-3 minutes berfore cooking is over. Serve.