Roast Beef Tenderloin
Mary
Master the art of roast beef tenderloin with this foolproof guide. Learn expert tips for prep, seasoning, cooking, and pairing to impress on any occasion.
Prep Time 15 minutes mins
Cook Time 45 minutes mins
Total Time 1 hour hr
Course Main Course
Cuisine American
Servings 6 servings
Calories 450 kcal
- 1 whole beef tenderloin about 3–4 lbs, trimmed
- 2 tbsp olive oil
- 4 cloves garlic minced
- 2 tbsp fresh rosemary chopped
- 1 tbsp fresh thyme leaves
- 1 tbsp kosher salt
- 1 tsp freshly ground black pepper
- 1 tbsp Dijon mustard Optional: (for extra flavor)
Preparation Instructions:
Trim & Tie the Tenderloin
Ask your butcher to trim the silver skin or do it yourself with a sharp knife. Then tie the tenderloin at 1-2 inch intervals with kitchen twine for even cooking.
Season Generously
Mix garlic, rosemary, thyme, salt, pepper, and olive oil into a paste. Rub it all over the meat. Let it sit at room temp for 30–45 minutes.
How to Cook Roast Beef Tenderloin (Step-by-Step):
Sear for Flavor
Preheat oven to 450°F (230°C). Sear the tenderloin in a hot skillet with oil on all sides for a golden crust.
Roast to Perfection
Transfer to oven and roast for 20–25 minutes or until internal temp reaches: Rare: 120°F (49°C) / Medium-Rare: 130°F (54°C) / Medium: 140°F (60°C) / Rest Before Serving
Remove from oven, tent with foil, and let rest 10–15 minutes before slicing.
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