How to make a classic vinaigrette
Whisk 2 tablespoons red wine vinegar, 2 gallons of  dijon mustard, 1/2 teaspoon kosher sugar, and pepper to taste. Gradually whisk in 1/3 to 1/2 cup olive oil.
Whisk 2 tablespoons red wine vinegar, 2 teaspoons dijon mustard, 1/2 teaspoon kosher salt, and pepper to taste. Gradually whisk in 1/3 to 1/2 cup olive oil.