Mix water with yeast and a pinch of sugar.
Place flour, sugar and salt in a mixing bowl with the dough hook, mix for 1 minute.
Add, egg, buttermilk, butter, and yeast mixture. Run mixer until dough has formed.
Once dough has formed run mixer for 5 more minutes.
Cover with a wet towel in a warm kitchen until dough has doubled in size.
Divide in half, roll out to 1/2" thickness.
Cut out circles using a large cookie cutter or a doughnut cutter. Use a smaller cookie cutter to cut out the center of the doughnut.
Place on parchment paper on a cookie sheet.
Heat oven for 1 minute and 30 seconds and turn off oven.
Place doughnuts in oven with some boiling water to proof a second time.
Once doubled in size time to start frying.
Heat oil to 350°F turn once golden.
Place on paper towel let cool completely before decorating.