Mix oil, chocolate and granulated sugar.
Blend in one egg at a time until well mixed.
Add vanilla, stir flour, baking powder, and salt into oil mixture.
Chill several hours or over night.
Next, heat oven to 350 degrees.
Drop by teaspoonfuls of dough into confectioner's sugar.
Roll in sugar and shape into balls.
Place about 2 inches apart on greased baking sheet.
Bake 10 - 12 minutes.