Maple Frappe

One cup of maple sirup, 4 eggs and 1 pint of cream. Heat the sirup in a double boiler, add to it the beaten yolk of the eggs and cook 3 minutes.
When cool, add well-beaten whites of eggs mixed with the cream, which has been whipped. Put in freezer, can or mold, pack in salt and ice and let stand 1 hour. Then cut down from the side, mix and let stand 1 hour longer.