Cake with Ammonia

Description
In Romanian: Prajitura cu amoniac

Ingredients

 * 1 teaspoon ammonia powder,
 * 7 yolks,
 * 3/4 cup confectioner's sugar,
 * 1/2 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.