Tarragon-Mustard Sauce for Salmon Recipe

Ingredients

• 1 tablespoon olive oil
• 2 tablespoons finely minced shallots
• 2 tablespoons dry white wine (such as Chardonnay)
• 0.5 cup half-and-half
• 2 tablespoons chopped fresh tarragon
• 2 tablespoons Dijon mustard
• salt and freshly ground black pepper to taste