Laura's Brownie Cookies

¾ cup vegetable oil
¾ cup cocoa
2 cups sugar
4 eggs
2 tsp. Vanilla
2 ½ cups flour
1 tsp. Salt
Powdered sugar

Mix oil, sugar and cocoa until creamy. Add eggs. Mix well. Add vanilla. In a separate bowl, combine flour and salt. Add to creamy mixture. Chill for 4 hours. Preheat oven to 350°. Roll dough into balls. Roll in powdered sugar. Bake on ungreased cookie sheet for 10-12 minutes.