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Beef Tenderloin Steaks with Celery Root Gratin

FOOD & WINE Wine Club Beef Tenderloin Steaks with Celery Root Gratin FOOD & WINE Wine Club Beef Tenderloin Steaks with Celery Root Gratin
A dead-simple gratin of nutty celery root soaks up a rich pan sauce and makes a terrific change from the usual steak-and-potatoes.
Servings: 4
Active Time: 20 minutes
Total Time: 1 hr 45 min
Ingredients
One 2-pound celery root—peeled, quartered and sliced crosswise 1/8 inch thick
Salt and freshly ground pepper
Pinch of freshly grated nutmeg
1 cup heavy cream
5 tablespoons unsalted butter, 1 tablespoon cut into small pieces
1 tablespoon extra-virgin olive oil
Four 6-ounce trimmed beef tenderloin steaks, about 2 inches thick
1/2 cup veal demiglace (see Note)
4 rosemary sprigs, for garnish
Directions
1. Preheat the oven to 375°. Spread one-fourth of the celery root slices in a shallow 1-quart gratin dish. Season with salt, pepper and nutmeg. Repeat with the remaining celery root slices to create 4 layers; season between each layer. Pour the cream over the celery root and dot with the 1 tablespoon of butter pieces. Cover with foil and bake for 30 minutes. Remove the foil and bake for about 30 minutes longer, until browned on top and the celery root is tender when pierced with a knife. Let stand for 15 minutes. Leave the oven on.

2. In a large ovenproof skillet, melt 1 tablespoon of the butter in the olive oil. Season the steaks with salt and pepper and cook over moderately high heat until a brown crust forms on the bottom, about 3 minutes. Turn the steaks, transfer the skillet to the oven and cook for about 12 minutes for medium-rare. Transfer the steaks to plates.

3. Add the veal demiglace to the skillet and bring to a boil. Remove the skillet from the heat and whisk in the remaining 3 tablespoons of butter, 1 tablespoon at a time. Season the sauce with salt and pepper. Spoon the sauce over and around the steaks. Garnish each steak with a sprig of rosemary and serve hot with the celery root gratin. —William Abitbol

NOTE Veal demiglace is made from reduced stock. D’Artagnan makes an excellent demiglace that is available at many specialty food shops and from dartagnan.com and amazon.com.