POTATO AND SWEET POTATOES GRATIN

Preparation Method :

• Grease 4 shallow ovenproof dishes (1 1/3 cup/330 ml capacity).
• Cut potatoes and Sweet potatoes into 5 mm slices.
• Boil, steam or microwave potatoes and Sweet potatoes separately until just tender; drain, cool.
• Heat butter in pan, add flour, stir over heat until bubbly.
• Remove from heat, gradually stir in milk and stock, return to heat, stir until sauce boils and thickens.
• Stir in cheese and mustard.
• Layer half the potato and Sweet potatoes slices into prepared dishes.
• Pour over half the sauce. Repeat with remaining potato, Sweet potatoes and sauce.
• Top each dish with extra cheese, nuts and paprika.
• Bake, uncovered, in moderate oven about 20 minutes or until heated through.