1 c. butter
1 1/2 c. sugar
2 eggs
2 tsp. vanilla
2 c. flour
2/3 c. Hershey's cocoa
3/4 tsp. baking soda
1/2 tsp. salt

Mix all ingredients together. Drop by rounded teaspoon onto ungreased cookie sheet. Bake at 350 degrees for 8 to 10 minutes. Cool 1 minute before removing from cookie sheet.