Soften butter.

Combine softened butter, sugar, and vanilla in a large bowl.

Mix well until creamy.

Add ground almonds and flour to the butter mixture.

Mix until a dough forms.

Shape the dough into small balls.

Place cookie dough balls on a greased cookie sheet.

Preheat oven to 400 degrees Fahrenheit.

Bake for 8-10 minutes, until set but not brown.

Remove from oven and let cool slightly.

Roll the still-warm cookies in powdered sugar until completely coated.

Let cool completely before serving.