My gram used to make these and they were seriously to die for

1. In a bowl, whisk together flour, baking powder, salt, and nutmeg. Set aside.
2. In a large bowl, cream the sugar and butter until light and fluffy. Add in the egg yolks, one at a time, beating well after each addition.
3. Gradually add in the dry ingredients in two additions, alternating with the sour cream, and mix until just combined.
4. On a floured surface, gently roll out the dough to about 1/2 inch thickness. Cut out doughnuts with a doughnut cutter or improvise with a large, round cookie cutter and a smaller cutter for the holes.
5. Heat oil in a large heavy-bottomed pot to 325°F. Fry the doughnuts in batches, being careful not to overcrowd the pot.
6. Fry each side for about 2 minutes, until golden brown. Remove and let drain on a wire rack set over a baking sheet.
7. For the glaze, whisk all the ingredients in a bowl until smooth. Dip each doughnut into the glaze and set on a rack to dry.
Variations & Tips: