Melt together chocolate and butter in a small saucepan, stirring often

Beat eggs with sugar and add to chocolate mixture.

Add flour and baking powder. Mix well.

chill dough in refrigerator for at least 8 hours.

Preheat oven to 325°F.

Roll dough into balls using 1 teaspoon of dough for each ball.

Roll each ball in powdered sugar and place on ungreased cookie sheet.

Bake at 325°F for 15 minutes.