PREP + COOK TIME 20 MINUTES MAKES 1 CUP (250ML)
Melt 30g butter in a small saucepan, add 2 tablespoons plain flour; cook, stirring, until mixture bubbles and thickens. Gradually add 1¼ cups hot milk, stirring, until mixture boils and thickens. Season; stir in a pinch of nutmeg, if you like.
Making a sauce is a kitchen skill where practice makes perfect, whether it’s a classic white sauce or a Thai nam jim dipping sauce.