In a small saucepan (1 liter), put the cranberries with sugar. Add the juice of 1 orange, 1 tbsp olive oil, tomato ketchup, 1 tbsp zest, a pinch of vanilla and a pinch of nutmeg, salt. Cook over low heat, stirring occasionally. Bring the sauce to a boil and remove from the heat. Do not boil the sauce, it will lose both taste and color.