Microwave Medium White Sauce

Directions

1. 1
   Melt butter in a glass measuring cup or 1 quart dish on full power 30 seconds.
2. 2
   Blend in flour and salt until smooth.
3. 3
   Add milk and stir constantly.
4. 4
   Heat uncovered on 70% power 3-4 minutes or until thickened and smooth, stirring every minute.