This was a feast day meal - birthdays and high holidays.
Beat 6 egg whites then add slowly
1 1/2 cups castor sugar
1/2 tsp salt
3 tsp vinegar
3 dis pp corn flour (that may be teaspoons)
then only beat 1 minute
Swirl on greased paper in cake shape and make vertical stripes with knife round edge.
Cook at F200 - 250 for 2 hours
When cool fill with wipped cream and strawberries
Fanforced - cent 110 decgres
Add sugar in small amounts (1/2 of volume)
Don't overbeat, just peak mixture
Fold in vinegar, cornflour and vanilla