Preheat oven to 350 degrees.

Mix the flour and dry yeast together in a large bowl.

Add Crisco with a pastry cutter.

Mix in sour cream, mix very well.

Mix in egg yolks.

Roll mixture into 2 inch balls.

Combine all the ingredients of the nut mixture in a small bowl.

Sprinkle the nut mixture evenly onto a clean and dry surface.

Roll each dough ball through the nut mixture, making sure to coat evenly.

Roll the dough out with a rolling pin.

Cut each piece of dough into 2 inch squares.

Roll each piece of dough like a crescent roll.

Place on a greased cookie sheet 2 inches apart.

Bake 15-20 minutes.

Let cookies fully cool before enjoying!