Old Fashioned Sour Cream Donuts

INGREDIENTS

600 g

pastry flour (or all purpose)

15 g

baking powder

12 g

kosher salt

1 g

freshly ground nutmeg, optional

240 g

granulated sugar

36 g

softened unsalted butter

90 g

egg yolks, beaten (from about 5-6 large eggs)

380 g

sour cream

Nonstick spray

Canola or vegetable oil for frying

400 g

confectioners’ sugar

100 g

whole milk

Vanilla beans from 1 pod, optional

2 g

pure vanilla extract

4 g

fine sea salt