Preheat oven to 350
Sift 1/4cup flour
1 cup sugar
1/4 tsp salt
Then mix in the following
1tlb lemon rind (not packed)
1/2 cup lemon juice
2 egg yokes beaten
3/4 cup of milk
Fold in 2 stiffly beaten egg whites.
Put into a 8x8 pan. Then put that pan into a bigger pan and fill up the large pan with water so that it goes 1/2 way up the pan with the cake in it.
Bake for 45 minutes then check. Take out when top is golden.