Separate egg whites and egg yolks. ( Save egg yolks for other uses. )
Beat egg whites until fluffy.
Add sugar and oil. And mix well. If it’s still too sticky, add a little more oil.
Pour the mixture into the flour and mix to make batter.
Spread a sheet of cellophane wrap in steamer.
Pour batter in carefully.
Put boiling water into steamer. Steam batter over high heat for 30 – 40 minutes.
Remove, cool, and cut into small pieces.