Whipped Cream (with Oranges)

Pare 6 large oranges, cut them into pieces, remove the pits, put the fruit into a glass dish and sprinkle over it ½ cup powdered sugar; have 1 pint cream, beaten to a stiff froth, mixed with 3 or 4 tablespoonfuls powdered sugar and set fruit and cream on ice till wanted; when ready to serve pour cream over the oranges and send to table at once, or serve each in a separate dish.