Chateaubriand with Gratin Dauphinois Recipe

This spectacular Chateaubriand with Gratin Dauphinois recipe combines beautifully seared beef tenderloin with rich, creamy French potatoes baked until golden and tender. Featured on Dinner in Paris, host Romain Avril showcases a classic French dining experience that brings together succulent beef, aromatic thyme, Gruyère cheese, and luxurious cream for an elegant main course perfect for special occasions.

The Inspiration

Chateaubriand with Gratin Dauphinois represents the elegance and sophistication of classic French cuisine, combining two celebrated preparations into one memorable dining experience. The tender beef and creamy potatoes create a satisfying contrast of textures and flavors, reflecting the French culinary tradition of transforming quality ingredients into refined dishes.

In Dinner in Paris, host Romain Avril brings these two French classics together through a preparation that emphasizes flavor, texture, and elegant presentation. The Chateaubriand begins with a center-cut beef tenderloin seasoned generously with salt and black pepper. Searing the meat in butter and olive oil creates a flavorful exterior before the tenderloin finishes cooking in the oven.

Together, these elements create a beautifully balanced French main course that feels both comforting and sophisticated. Whether prepared for an anniversary dinner, holiday celebration, or elegant gathering, this Chateaubriand with Gratin Dauphinois recipe captures the timeless appeal of French fine dining.

Ingredients

For Chateaubriand

680–900 g (1.5–2 lb) beef tenderloin, centre-cut
Salt and black pepper, to taste
2 tbsp butter
2 tbsp olive oil
Maldon sea salt, for finishing

Gratin Dauphinois

1 kg / 2.2 lb potatoes
1 1/2 cups heavy cream
1 1/2 cups milk
2 tbsp butter, plus more for greasing baking dish
1/2 cup gruyere, grated
2 garlic cloves, grated on a rasp
2 tsp thyme leaves
1 tsp grated nutmeg
Salt and white pepper, to taste

Method

Make Chateaubriand

Remove from refrigerator 30 minutes before cooking. Pat dry and season generously with salt and pepper.
Heat pan over medium-high heat, add oil and butter. Sear beef on all sides 2–3 minutes per side.
Transfer to oven at 375°F. Cook 12-15 minutes. It is done when the internal temperature reads at 130°F.
Remove from the oven, tent lightly with aluminum foil and rest 10 minutes.
Cut into 3/4 inch thick slices and serve on a platter. Sprinkle Maldon sea salt over the meat.

Gratin Dauphinois

Pre-heat oven to 350F. Peel and slice potatoes thinly (2–3 mm). Place sliced potatoes in a mixing bowl and toss with Gruyere cheese, salt and white pepper.
Grease 8’ x 8’ baking dish with butter. Place potato mixture in the greased baking dish in layers and press down with your hands.
In a small pot, gently warm through the the cream, milk, thyme, garlic and nutmeg.
Pour warm cream mixture over the potatoes and make sure it distributes evenly.
Cover dish with aluminum foil and bake for 45 minutes. Remove foil and bake for another 15 minutes.
Remove from the oven and let rest for 10 minutes.
Serve alongside Chateaubriand. Enjoy!

Serving Suggestions

This spectacular Chateaubriand with Gratin Dauphinois recipe is an excellent choice for romantic dinners, anniversary celebrations, holiday gatherings, and elegant family meals. Its combination of tender beef and rich, creamy potatoes creates a luxurious main course that requires only a few carefully selected accompaniments to complete the dining experience.

For a classic French bistro-style presentation, serve the sliced Chateaubriand on a warm platter with generous portions of Gratin Dauphinois arranged alongside. The beautifully browned beef and golden potato gratin create an inviting contrast, while a light sprinkling of Maldon sea salt adds a refined finishing touch.

Final Thoughts

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