Medium White Sauce

Directions

1. 1
   Put margarine in a 1-quart casserole.
2. 2
   Microwave at High until melted.
3. 3
   Stir in flour and salt.
4. 4
   Blend in milk.
5. 5
   Microwave on High until thickened, 3 to 6
6. 6
   minutes, stirring once or twice during cooking.