Use this sauce as a base for baked pasta dishes or soufflés.
Melt butter or heat oil in medium saucepan over medium heat. Stir in glutinous rice flour, and cook 1 to 2 minutes, or until mixture is smooth and bubbling, stirring constantly. Stir in milk. Cook 3 to 5 minutes, or until sauce has thickened, whisking constantly. Season with salt and pepper, if desired.