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Chateaubriand Steaks with Mushroom Red Wine Sauce
Instructions
1
Preheat the oven to 350°F.
2
Season the beef tenderloin liberally with salt and black pepper on all sides. Drizzle with olive oil. Transfer the tenderloin to a baking dish and allow it to stand at room temperature for 15 minutes.
3
Roast the tenderloin on middle rack of oven until it reaches 130°F, 35-45 minutes. In the last 10 minutes of the roasting time, prepare the mushroom red wine sauce.
4
Check to see that tenderloin is done. Remove from oven or add time as needed. Tent with aluminum foil and allow to rest for 10 minutes.
5
Heat the butter in a large skillet over medium-high heat. Add the mushrooms and shallots, and season with salt and pepper. Saute until the mushrooms are shrunken and browned, and the shallots are translucent, 5-6 minutes. Add the garlic and continue cooking until fragrant, about 30 seconds.
6
Pour the red wine into the skillet to deglaze the pan, scraping up the browned bits on the bottom with a spatula. Add the beef broth and thyme sprigs. Allow the mixture to simmer until the liquid is reduced by half, 5-7 minutes. Stir in the heavy cream and continue simmering until heated through, 1-2 minutes.
7
Slice the tenderloin into 2- to 3-inch thick slices and arrange on a serving platter. Remove the thyme sprigs from the skillet and discard. Spoon the mushroom red wine sauce over the tenderloin slices, and serve immediately.
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Tips & Tricks (5)
- Bring Beef to Room Temperature 🌡️Remove your beef tenderloin from the refrigerator 45 minutes before searing to ensure even cooking from edge to center and a perfect rare to medium-rare doneness.
- Dry Sear for Superior Crust 🔥Pat the steaks completely dry with paper towels before searing and use only a thin film of oil—moisture prevents browning and creates the restaurant-quality golden crust essential to this dish.
- Build Sauce Foundation with Proper Deglazing 🍷After removing the steaks, deglaze the hot pan with red wine by scraping up all the caramelized bits, which contain concentrated umami flavors that elevate your entire sauce.
- Slice Mushrooms Uniformly for Even Cooking 🍄Cut all cremini mushrooms to the same thickness (about ¼ inch) so they cook evenly and release their moisture simultaneously, creating a cohesive sauce texture.
- Finish with Cold Butter for Silky Sauce 🧈Remove the sauce from heat and whisk in small cubes of cold butter to create an emulsion that gives the red wine cream sauce a luxurious, glossy finish.
Recipe Facts
Diet at a Glance
Low Sugar
Low Carb
High Protein
Keto Friendly
My Calorie Intake
Smart Nutrition 
Nutrition Per Serving
Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Glycemic Analysis
Glycemic Index
Glycemic Load
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