Tender Layered Cake II

Description
In Romanian: Tort fraged II

Ingredients

 * 10 oz/300 g butter,
 * 10 oz/300 g confectioner's sugar,
 * 10 oz/300 g flour,
 * 8 eggs,
 * 1/4 cup rum,
 * juice from 1 lemon,
 * filling

Directions

 * 1) Melt the butter and beat with the sugar, adding the 8 yolks one by one, until the mixture is foamy. Add flour, lemon juice and rum; mix well, then add the whipped egg whites, folding in gently.
 * 2) Pour the mixture into the buttered baking pan and bake at medium heat.
 * 3) Fill with the desired cream.