Scald one pint of pure cream, dropping in a bit of soda; add two cupfuls of sugar, and when this has melted, one cupful - a large one - of black coffee, very clear and strong. Finally, stir in a heaping tablespoonful of arrow-root wet up with milk. Boil, stirring constantly for five minutes after the boil recommences.

Let the mixture get cold and beat in a pint of whipped cream. Freeze.