Rose Kennedy'S Boston Cream Pie - cooking recipe

Ingredients

4 egg whites
4 egg yolks
1 c. granulated sugar
1 1/2 Tbsp. cold water
1 1/2 Tbsp. lemon juice
1 c. pastry flour
1 1/3 tsp. baking powder
few grains salt
1 tsp. vanilla

Preparation

Sift flour 3 times.
Beat egg whites until stiff, but not dry and fold in 1/2 the quantity of sugar gradually.
Beat egg yolks and liquids and continue to beat until very thick and pale yellow. Beat in remaining sugar.
Combine yolks and whites, folding together until the mixture is blended.
Mix and sift in flour, baking powder and salt, cutting and folding into the egg mixture. Pour into buttered pan.
Bake in moderate slow oven (325\u00b0) for 1 hour.