Return to pot in which milk was scalded and cook, stirring, over low heat until mixture coats back of spoon.

Cook over low heat, stirring, until mixture coats back of a wooden spoon and steam begins to rise.

Cook over very low heat, stirring constantly, until the mixture coats the back of the spoon, about 7 minutes.

Pour it into the saucepan containing the rest of the milk and cook, stirring constantly, over a low flame until the mixture coats the spoon.

Return to medium-low heat and cook, stirring continuously, until the mixture coats the back of a spoon.

Cook over very low heat, stirring constantly, until the mixture coats the spoon.

Stir until the mixture coats the back of a spoon.

Cook over low heat until mixture coats back of a spoon, 2 to 4 minutes.

Heat over medium heat until the mixture coats the back of a spoon, stirring constantly.

Continue to cook until mixture coats the back of a spoon; when you draw your finger through this coating, the resulting line will hold its shape.