Rolled Cake with Walnuts

Description
In Romanian: Rulada cu nuci

Ingredients

 * 6 eggs
 * 6 tablespoons sugar
 * 5 tablespoons flour
 * vanilla or grated lemon peel
 * butter and flour to grease and dust the pan
 * confectioner's sugar

Filling

 * 8 oz / 250 g ground walnuts
 * 1 cup milk
 * 3 tablespoons sugar
 * 1 teaspoon vanilla or a little rum

Directions

 * 1) Boil the milk with the sugar and walnuts at low heat, mixing continuously until you get a soft paste. Add vanilla or rum.
 * 2) Beat the yolks with the sugar and vanilla, add the whipped egg whites, gently fold them in, gradually add the flour (like a rain).
 * 3) Pour the mixture uniformly into a greased and dusted rectangular pan and bake at medium heat.
 * 4) Test with the wooden pick to see when it is done.
 * 5) When ready, turn onto a wooden cutting board covered with a soaked and squeezed cloth.
 * 6) Quickly spread the walnut paste on the dough, roll tightly and leave it wrapped in the wet cloth for several minutes.
 * 7) Then wrap the roll in a dry cloth and leave it for 2 – 3 hours.
 * 8) Then remove the wrap, place the cake onto a long platter, sprinkle it with confectioner's sugar and cut into finger thick slices.