1 c. unsweetened cocoa powder
2 c. white sugar
1/2 c. vegetable oil
4 eggs
2 tsp. vanilla extract
2 c. all purpose flour
2 tsp. baking powder
1/2 tsp. salt
1/2 c. confectioners sugar

In a medium bowl, mix cocoa, white sugar, and oil. Beat in eggs, one at a time, then stir in vanilla. Combine flour, baking powder, and salt. Stir into cocoa mixture. Cover dough and chill for 4 hours. Preheat oven to 350. Roll dough into 1 inch balls. Roll and coat each ball with confectioners sugar. Place on cookie sheet lined with parchment paper.

Bake 10 to 12 minutes. Cool on cookie sheet for 1 minute and then cool on a wire rack.