
My old fashioned donut recipe is easy and fast, making perfect no-yeast cake donuts with crispy outside, tender inside, and a crackly glaze!
In a large bowl, mix together flour, sugar, cornstarch, baking powder, salt, and nutmeg.
In another bowl, whisk sour cream, butter, and egg yolks until well combined.
Mix your wet and dry ingredients until the dough comes together and is evenly mixed. Cover the dough and chill in the refrigerator for an hour, or up to 2 days.
On a floured surface, roll out the chilled dough to a ½-inch (1.5cm) thickness.
Cut out donuts using a 3-inch (7.5cm) cutter. With a 1-inch (2.5cm) cutter, cut a hole in the center of the dough circles to form your doughnut shape. Re-roll scraps and cut more donuts.
Set a deep saucepan on the stove over medium-high heat and pour oil to a 2-inch depth. Insert a thermometer, if using.
Place a baking sheet next to the saucepan lined with a wire rack.
When the oil is at a medium heat (about 325°F/165°C), fry donuts for about 2- 3 minutes, or until golden. Flip over and continue to fry for another 2 minutes on the other side. Be careful not to overload the saucepan while cooking.
Remove from the oil, drain for a few seconds on the rack and then dip the hot doughnuts in the Vanilla Donut Glaze.
Doughnuts are best the day they are made, but you can store any leftovers in an airtight container at room temperature for up to 1 day.