Pork with Mustard Sauce

Pork with mustard sauce is a French bistro classic stripped down to weeknight scale. Pork tenderloin gets butterflied into medallions, pounded into thin cutlets, seared in butter until golden, and finished with a quick pan sauce of Dijon mustard, tarragon, beef broth, and cream.

The butterfly-and-pound technique is the move that makes this work as a 30-minute dinner. Tenderloin in whole-roast form takes 25 minutes in the oven; pounded into thin cutlets, the same meat cooks in 5 to 6 minutes per side and develops a beautiful caramelized crust that whole tenderloin can’t match.

Reducing the broth and tarragon by half before adding the cream is the order that matters. Reduce-then-add concentrates the broth flavors first, while adding cream too early dilutes the reduction and you end up with weak sauce.

Pro Tips

• Pound the medallions to even thickness, about ½ inch (1 cm). Uneven thickness means parts cook through while others stay pink, and the sauce can’t fix that.
• Don’t move the pork once it hits the hot butter. Letting the cutlets sit undisturbed develops the deep golden crust; flipping early gives you pale, gray meat.
• Discard the cooking drippings as instructed before making the sauce. Burned milk solids from the butter taste bitter when reduced into a cream sauce.
• Use whole-grain Dijon for visual texture, smooth Dijon for a sleeker sauce. Both work, just choose intentionally.

Variations

• Substitute fresh tarragon leaves for dried, but use 3 times as much (the dried is more concentrated).
• Add a splash of white wine when deglazing the pan for extra brightness.
• Stir in a handful of sliced mushrooms sautéed alongside the pork for a heartier sauce.

Serve over buttered egg noodles or alongside mashed potatoes to catch every drop of mustard cream sauce.