Creamy Chocolate Frosting

¾ C. Butter or  Margarine

½ C. Cocoa

1 tsp. Vanilla

4 ¾ C. Powdered Sugar

¼ tsp. salt

3 Tbls. Milk

Cream butter or margarine. Add powdered sugar, cocoa, and salt. Cream until thoroughly blended. Blend in vanilla and milk. Cream until a smooth spreading consistency.