Pork Medallions with Tarragon Mustard Sauce recipes

Name: Pork Medallions with Tarragon Mustard Sauce recipes
Ingredients: 1 1-pound pork tenderloin, cut crosswise into 6 slices; salt; freshly ground black pepper; 1 generous teaspoon dried tarragon, divided [or 1 tablespoon fresh—see Kitchen Notes]; 1 tablespoon butter; 1 tablespoon olive oil; 1 cup chopped leeks [white and pale green parts only; about 1 medium—see Kitchen Notes]; 1/2 cup low-salt chicken broth; 1/2 cup dry white wine; 1 garlic clove, minced; 1/4 cup whipping cream; 1-1/2 tablespoons whole grain Dijon mustard; 1 teaspoon dried tarragon [or 1 tablespoon fresh—see Kitchen Notes]