In large bowl. Beat butter with mixer on medium high. For 30 seconds. Add 1/2 cup sugar- salt - cinnamon- b. Soda- ginger- cloves. Beat till combined. Scraping sides occasionally.( I used pumpkin pie spice) .
Beat in pumpkin - buttermilk- egg. - egg yolk- vanilla until combined. Use wooden spoon stir in flour. Cover. Chill for 3 hours.
On lightly floured surface. Roll dough to 1/2" thickness. Cut with 2-1/2 " doughnut cutter. Reroll as necessary.
Fry doughnut 2-3 at a time. 365° for about 2-1/2 min. Drain on paper towels. Repeat . Roll in sugar.
Spiced sugar: mix last 3 ing. Stir together. Roll doughnuts in sugar.( I used pumpkin pie spice)