In large bowl, sprinkle yeast over water; stir to dissolve. Add sugar, salt, eggs and milk. Blend with rotary beater. Add 4 cups of the flour; beat smooth. Add shortening; beat in remaining flour. Cover and chill overnight. Roll out on floured board to 1/8 inch thickness. Cut into 2 1/2 inch squares. Deep fry at 360 degrees 2-3 minutes or until lightly browned on each side. Drain on paper towels. Sprinkle heavily with confectioners sugar. Makes about five dozen-dough keeps well in refrigerator for several days. Cover bowl with Saran Wrap and punch down occasionally.