Once-A-Week Vinaigrette

Directions

1. 1
   Combine the salt, mustard, and vinegar in a glass measuring cup and whisk with a fork until the salt is dissolved.
2. 2
   Slowly add the oil in a stream, whisking.
3. 3
   The vinaigrette keeps, covered, at room temperature for 1 week or in the refrigerator for a month.