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Chateaubriand With Bearnaise Sauce With Chateau Potatoes

The first time I had Chateaubriand, I was a fresh-faced culinary student, intimidated by the seemingly endless possibilities of French cuisine. The head chef, a stern but brilliant man, prepared it for a special dinner, and the moment the first slice, perfectly pink and tender, touched my tongue, I understood the artistry of cooking. The rich, buttery flavor of the beef, complemented by the tangy Bearnaise and the perfectly crisp potatoes, was a revelation – a moment I’ve strived to recreate in my own kitchen ever since.

Recipe Overview

Prep Time: 30 minutes
Cook Time: 45 minutes
Total Time: 1 hour 15 minutes
Servings: 6
Dietary Type: Gluten-Free

Ingredients

5 lbs beef tenderloin, trimmed
2 tablespoons butter
Salt
Fresh ground black pepper

Chateau Potatoes

8 tablespoons butter
20 small white potatoes, cut tournee style
1 tablespoon fresh parsley, finely chopped

Bearnaise Sauce

3 tablespoons white vinegar
3 tablespoons white wine
10 peppercorns
2 tablespoons shallots, finely chopped
1 tablespoon tarragon, chopped
1 tablespoon water
3 egg yolks
1 cup unsalted butter, melted
1 tablespoon fresh parsley leaves, finely chopped

Equipment Needed

Large skillet
Oven
Sauté pan
Saucepan
Stainless steel bowl
Whisk
Chinois or fine-mesh sieve

Instructions

Preheat your oven to 400°F (205°C).
Generously season the beef tenderloin with salt and fresh ground black pepper. Be sure to coat all sides for maximum flavor.
In a large skillet, over high heat, melt 2 tablespoons of butter. The skillet should be hot enough to quickly sear the meat.
Add the beef tenderloin to the skillet and sear for a couple of minutes on each side. This will create a beautiful crust and lock in the juices. A good sear is essential for a flavorful Chateaubriand.
Place the seared beef in the preheated oven and roast for 20 to 25 minutes for medium rare. Use a meat thermometer to ensure accuracy; an internal temperature of 130-135°F is ideal for medium-rare.
Remove the beef tenderloin from the oven and let it rest for 5 minutes before slicing. This allows the juices to redistribute, resulting in a more tender and flavorful cut.
For the Chateau Potatoes: Cut the potatoes into a “tournee” shape – a classic football shape. This requires a bit of knife work but adds an elegant touch. If you’re not comfortable with the tournee cut, simply dice the potatoes into roughly the same size.
In a sauté pan, over medium heat, melt 8 tablespoons of butter.
Add the tournee-cut potatoes to the pan and season with salt and pepper.
Sauté the potatoes for 3 to 4 minutes, turning them occasionally, until they are lightly browned.
Place the sauté pan with the potatoes in the oven and roast until golden brown and tender, about 20 minutes, shaking the pan every 5 minutes to ensure even cooking.
Remove the potatoes from the oven and add 1 tablespoon of finely chopped fresh parsley. Toss to combine.
For the Bearnaise Sauce: In a saucepan, combine 3 tablespoons of white vinegar, 3 tablespoons of white wine, 10 peppercorns, 2 tablespoons of finely chopped shallots, and 1 tablespoon of chopped tarragon.
Bring the liquid to a boil over medium-high heat and reduce to 1 tablespoon. This concentration of flavors is crucial for a vibrant Bearnaise.
Add 1 tablespoon of water to the reduced liquid.
Combine the reduced liquid and 3 egg yolks in a stainless steel bowl.
Place the bowl over a pan of simmering water (making sure the bowl doesn’t touch the water) and whisk constantly until the mixture becomes frothy and pale. This process, known as a bain-marie, gently cooks the eggs and prevents them from scrambling.
In a slow, steady stream, drizzle in 1 cup of melted unsalted butter while continuing to whisk vigorously. The sauce should thicken and emulsify. If the sauce becomes too thick, add a teaspoon of warm water.
Season the Bearnaise sauce with salt and pepper to taste.
Strain the sauce through a chinois or fine-mesh sieve to remove any solids and ensure a silky-smooth texture. Set aside until ready to serve.

Expert Tips & Tricks

For a richer Bearnaise sauce, use clarified butter. This removes the milk solids, resulting in a smoother and more stable sauce.
If your Bearnaise sauce breaks (separates), try whisking in a tablespoon of ice water to re-emulsify it.
To keep the Bearnaise sauce warm without it separating, place the bowl over a barely warm water bath.
For the Chateau Potatoes, pre-soaking the potatoes in cold water for 30 minutes can help remove excess starch and make them extra crispy.
Don’t overcrowd the skillet when searing the beef; sear it in batches if necessary to ensure even browning.
If you prefer a more well-done Chateaubriand, increase the roasting time by a few minutes, but be careful not to overcook it.
A touch of lemon juice can brighten the Bearnaise sauce, but use it sparingly.

Serving & Storage Suggestions

Serve the sliced Chateaubriand immediately, drizzled with the warm Bearnaise sauce, alongside the Chateau Potatoes. A fresh green salad or steamed asparagus makes a lovely accompaniment.

Leftover Chateaubriand can be stored in an airtight container in the refrigerator for up to 3 days. Reheat gently in a low oven or skillet to avoid drying it out. The Chateau Potatoes are best enjoyed fresh, but can also be stored in the refrigerator for up to 2 days and reheated in the oven. Bearnaise sauce is best consumed immediately, but if necessary, it can be stored in the refrigerator for up to 24 hours. Reheat very gently over a water bath, whisking constantly. It’s important to note that Bearnaise sauce can be temperamental and may not reheat perfectly.

Nutritional Information

Nutrient	Amount per Serving	% Daily Value
Calories	1893 kcal	95%
Total Fat	129g	198%
Saturated Fat	63g	312%
Cholesterol	552mg	183%
Sodium	1240mg	51%
Total Carbohydrate	75g	24%
Dietary Fiber	7g	29%
Sugars	3g	13%
Protein	104g	208%

Note: Nutritional information is an estimate and may vary based on specific ingredients and preparation methods.

Variations & Substitutions

For a leaner option, use a sirloin tip roast instead of beef tenderloin, but be aware that it may not be as tender.
If you don’t have white wine for the Bearnaise sauce, you can substitute with dry vermouth.
For a vegetarian side dish, substitute the Chateau Potatoes with roasted root vegetables like carrots, parsnips, and sweet potatoes.
Spice things up by adding a pinch of cayenne pepper to the Bearnaise sauce.
If you’re avoiding butter, you can try using olive oil for the Chateau Potatoes, but the flavor will be different.

FAQs (Frequently Asked Questions)

Q: What is “tournee” cutting and is it necessary for the Chateau Potatoes?
A: Tournee cutting is a French technique that involves shaping vegetables into oblong, football-like shapes. While it adds an elegant touch, it’s not essential; you can simply dice the potatoes evenly.

Q: How can I tell if the Chateaubriand is cooked to medium-rare perfection?
A: Use a meat thermometer inserted into the thickest part of the beef; 130-135°F indicates medium-rare. You can also do the finger test: press the meat and compare the resistance to the firmness of your cheek (rare), chin (medium-rare), or forehead (well-done).

Q: My Bearnaise sauce separated. What did I do wrong?
A: Bearnaise can separate if the butter is added too quickly or if the sauce gets too hot. Try whisking in a tablespoon of ice water to re-emulsify it. Keep the water bath at a gentle simmer.

Q: Can I make the Bearnaise sauce ahead of time?
A: Bearnaise sauce is best made and served immediately. However, you can prepare the reduction (vinegar, wine, shallots, tarragon) in advance and finish the sauce just before serving.

Q: What wine pairs well with Chateaubriand?
A: A full-bodied red wine, such as a Cabernet Sauvignon or Bordeaux, is a classic pairing with Chateaubriand. The wine’s tannins complement the richness of the beef.

Final Thoughts

Chateaubriand, while seemingly complex, is a dish that rewards effort with extraordinary flavor and elegance. Don’t be intimidated – follow the steps carefully, and you’ll create a restaurant-worthy meal that will impress your guests. Feel free to experiment with the variations and find what suits your taste. Enjoy the process, and don’t hesitate to share your experience. Bon appétit!

Chateaubriand With Bearnaise Sauce With Chateau Potatoes Recipe