the sugar. Whisk gently over medium-low heat until the sugar dissolves. Avoid letting the milk boil rapidly.
Step 2: Simmer gently
Reduce the heat to low so the milk barely simmers. Cook uncovered for approximately 35–50 minutes, stirring frequently and scraping the bottom and sides to prevent scorching.
Step 3: Watch for the right consistency
As water evaporates, the milk will reduce and become creamier. Aim for approximately 1 to 1¼ cups of finished mixture, depending on the thickness you prefer. It should coat the back of a spoon but
