Heat oven to 350°F. In medium bowl, mix flour, 3/4 cup cocoa, 3/4 cup malted milk powder and the baking soda; set aside. In large bowl, beat 1 cup butter, the granulated sugar and 2/3 cup brown sugar with electric mixer on medium speed 5 minutes or until light and fluffy. Add eggs, one at a time, beating until blended. Beat in vanilla. Beat in flour mixture just until blended. Onto ungreased cookie sheet, drop dough by rounded tablespoonfuls 2 inches apart.