Veal Kidneys in Mustard Cream Sauce

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A classic French bistro specialty, veal kidneys are gently seared and finished in a silky sauce of white wine, heavy cream, and two mustards. The kidneys stay tender and faintly pink within, while the sauce delivers the sharp, tangy depth that defines this traditional country dish. Serve over toasted baguette, buttered noodles, or steamed potatoes to soak up every drop.

Nutrition Facts

Per serving (estimated)

• 480 kcalCalories
• 34 gFat
• 18 gSaturated Fat
• 9 gCarbs
• 1 gFiber
• 3 gSugar
• 30 gProtein
• 640 mgSodium
• 420 mgPotassium
• 95 mgCalcium
• 4 mgIron
• 6 mgVitamin C
• 280 mcgVitamin A

Ingredients

For the kidneys

• 4 veal kidneys (about 1.5 lb / 680 g total), outer membrane and core fat trimmed
• 2 tablespoons whole milk
• 1 teaspoon kosher salt
• ½ teaspoon freshly ground black pepper
• 2 tablespoons all-purpose flour, for dusting
• 2 tablespoons unsalted butter
• 1 tablespoon neutral oil

For the sauce

• 2 large shallots, finely minced
• 1 cup cremini or button mushrooms, thinly sliced (optional)
• 2 garlic cloves, finely grated
• ½ cup dry white wine (such as Muscadet or Sauvignon Blanc)
• ¾ cup veal or chicken stock
• 1 cup heavy cream
• 2 tablespoons smooth Dijon mustard
• 1 tablespoon whole-grain mustard
• 1 teaspoon fresh thyme leaves
• 2 tablespoons finely chopped fresh flat-leaf parsley
• 1 tablespoon crème fraîche or a small knob of butter (optional, to finish)

Directions

1. Pat the trimmed kidneys dry, slice each in half lengthwise, and soak in the milk for 10 minutes to mellow any gamy notes; drain and pat very dry again.
2. Season the kidneys with salt and pepper, then lightly dust each piece with flour, shaking off any excess.
3. Heat the butter and oil in a large heavy skillet over medium-high heat until foaming subsides. Sear the kidneys cut-side down for about 90 seconds per side until a golden crust forms; transfer to a plate (they will finish cooking in the sauce).
4. Lower the heat to medium and add the shallots and mushrooms to the same pan. Sauté for 3–4 minutes until softened and lightly caramelized, then stir in the garlic for 30 seconds.
5. Pour in the white wine and scrape up the browned bits from the pan bottom. Simmer until reduced by about half, then add the stock and thyme; reduce by a third, roughly 3 minutes.
6. Stir in the heavy cream, Dijon mustard, and whole-grain mustard. Simmer gently for 4–5 minutes until the sauce thickens enough to coat the back of a spoon.
7. Return the kidneys and any accumulated juices to the pan, spoon the sauce over them, and warm through for 2–3 minutes — do not boil, or the kidneys will toughen.
8. Off the heat, stir in the parsley and crème fraîche if using. Taste and adjust seasoning, then serve immediately in shallow bowls with crusty bread, buttered egg noodles, or mashed potatoes.
9. For an extra touch, top with a few thin slices of cornichon and a small swirl of mustard at the table.

Cook’s Notes

• Soaking the trimmed kidneys in milk for 10 minutes is the secret to a clean, mild flavor — don't skip it.
• For perfect texture, pull the kidneys from the heat while still slightly rosy inside; carryover cooking will finish them in the hot sauce.
• Always pat the kidneys completely dry before flouring so the crust browns rather than steams.
• Use a dry, unoaked white wine — oaky Chardonnays can overwhelm the delicate mustard tang.
• If veal kidneys are unavailable, lamb kidneys make an excellent, slightly stronger substitute following the same method.

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