When that is blended add 2 cups of the milk, stirring rapidly with the whisk.

Add the milk, stirring rapidly, and bring to a simmer.

Heat butter in a skillet; when it is quite hot but not smoking add shrimp, stirring rapidly.

When blended, add the milk, stirring rapidly with the whisk.

Stir rapidly with the whisk while adding the egg yolks.

Add the butter in small pieces, stirring rapidly with a wire whisk.

When it is quite hot but not smoking, add the shrimp, stirring rapidly.

Cook for about a minute; then add the milk, stirring rapidly with the whisk.

Stir rapidly over and around the curves of the mixing bowl.

Bring to a boil, stirring rapidly with the whisk for 30 seconds.