Whisk the yolks and sugar together in a small bowl until smooth.

Whisk the eggs and sugar together in a heavy saucepan until well blended.

Meanwhile, in a small bowl whisk together sour cream, remaining sugar and vanilla.

In a large bowl, whisk together flour, sugar, baking powder and cinnamon.

Whisk the egg yolks and sugar in a medium metal bowl.

Whisk the eggs and brown sugar together in a large bowl.

Whisk egg yolks and sugar together until thick enough to leave a trail.

In a deep, heavy saucepan, whisk sugar into 1/3 cup water.

Whisk the egg yolks and sugar together until pale yellow.

You start whisking your yolks and sugar off the heat.