Duncan Aviation Inspired Slow-Roasted Herb-Crusted Beef Tenderloin

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A tender beef tenderloin rubbed with fresh herbs and slow-roasted to perfection, showcasing the meticulous craftsmanship synonymous with Duncan Aviation’s worldwide services. This french-inspired beef ready in about 75 minutes pairs beef tenderloin roast, chopped fresh rosemary, chopped fresh thyme for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 450 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Cook: 60 min Serves 6 French cuisine 450 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 275°F. In a small bowl, combine 1 tbsp chopped fresh rosemary, 1 tbsp chopped fresh thyme, 4 minced garlic cloves, 3 tbsp olive oil, 1 1/2 tsp salt, and 1 tsp black pepper to form an herb paste.
  2. Step 2: Pat dry 2 lbs beef tenderloin roast with paper towels. Rub the herb mixture evenly all over the surface of the tenderloin.
  3. Step 3: Place the tenderloin on a rack in a roasting pan and insert a meat thermometer into the thickest part. Roast in the oven for about 45-60 minutes, or until internal temperature reaches 130°F for medium-rare.
  4. Step 4: Remove the roast from the oven, tent loosely with foil, and let rest for 15 minutes.
  5. Step 5: While resting, place the roasting pan on the stove over medium heat. Add 2 tbsp unsalted butter, 1/2 cup red wine, and 1/2 cup beef broth to the pan drippings. Simmer for 5 minutes, stirring and scraping up browned bits until the sauce thickens slightly.
  6. Step 6: Slice the beef tenderloin into 1/2-inch thick slices and serve drizzled with the red wine herb sauce.

Frequently asked questions

How long does Duncan Aviation Inspired Slow-Roasted Herb-Crusted Beef Tenderloin take to make?

Total time is about 75 minutes (15 min prep + 60 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Duncan Aviation Inspired Slow-Roasted Herb-Crusted Beef Tenderloin?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep beef tenderloin roast from drying out.

Can I substitute ingredients in Duncan Aviation Inspired Slow-Roasted Herb-Crusted Beef Tenderloin?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Duncan Aviation Inspired Slow-Roasted Herb-Crusted Beef Tenderloin for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Duncan Aviation Inspired Slow-Roasted Herb-Crusted Beef Tenderloin?

French beef like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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