Cake with Ammonia

Description
In Romanian: Prajitura cu amoniac

Ingredients

 * 1 teaspoon ammonia powder
 * 7 yolks
 * ¾ cup confectioner's sugar
 * ½ cup melted butter
 * flour as needed
 * a few sliced walnuts or almonds

Directions

 * 1) Cream the butter with the sugar, adding the yolks one by one.
 * 2) Add the ground ammonia and mix until the mixture lightens in color.
 * 3) Add flour and knead rapidly to obtain a soft dough.
 * 4) Roll a finger thick sheet and lay on the baking sheet. Wash with a little egg.
 * 5) Sprinkle sliced walnuts or almonds on top. Bake, first at low temperature, then increase it.
 * 6) After it is completely cold, cut into desired shapes.