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
 * ¼ 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.
 * 2) Add flour, lemon juice and rum; mix well, then add the whipped egg whites, folding in gently.
 * 3) Pour the mixture into the buttered baking pan and bake at medium heat.
 * 4) Fill with the desired cream.