3 tenderloin grain mustard tarragon sauce Recipes

vegetable oil, chopped shallot, beef stock or 1 cup canned low sodium beef broth, dry white wine, brandy, whipping cream, butter, garlic cloves, chopped, baby spinach, beef tenderloin steaks (each about 1 inch thick ), whole grain dijon mustard, chopped fresh tarragon

butter, divided, olive oil, divided, chopped leeks (white and pale green parts only; about 2 medium), low-salt chicken broth, dry white wine, garlic cloves, minced, creme fraiche or sour cream, whole grain dijon mustard, pork tenderloins , each cut crosswise into 6 slices, chopped fresh chives, chopped fresh tarragon, chopped fresh parsley