Rolled Cake

Description
In Romanian: Prajitura rulata

Ingredients

 * 8 oz / 250 g flour
 * 2 yolks
 * 4 oz / 125 g butter
 * 1 tablespoon sugar
 * vanilla
 * ¾ cup milk
 * ½ oz / 15 g yeast
 * salt

Filling

 * ¼ cup milk
 * 7 oz / 200 g sugar
 * 7 oz / 200 g walnuts
 * ¼ cup rum
 * vanilla

Directions

 * 1) Mix the yeast with ½ teaspoon sugar, salt, tepid milk and 1 tablespoon flour.
 * 2) Cover and leave in a warm space to rise.
 * 3) When the starter has risen, add sugar, tepid butter, yolks, vanilla and flour (a little at a time).
 * 4) Knead for 15 minutes. Place in a warm place to rise again.
 * 5) In the meantime, prepare the filling.
 * 6) Set the sugar to boil with the milk and vanilla.
 * 7) When the sugar has melted and the syrup starts to boil, add the ground walnuts.
 * 8) After a few minutes of boiling, remove from heat, add rum and let cool.
 * 9) When the dough has risen, roll into a sheet slightly thinner than a pencil.
 * 10) Spread filling over ¾ of the sheet.
 * 11) Roll the dough so that the part which is not spread with filling comes on top.
 * 12) Place into a long pan, cover and leave in a warm place to rise.
 * 13) When it has risen a little, wash with slightly sweetened water, sprinkle some granulated sugar on top and bake at slow heat to start with.
 * 14) When the cake has risen nicely, increase the heat.
 * 15) Cut when cold, just before serving, into finger thick slices.