Herb-Infused Beef Tenderloin with Rosemary Butter

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

Tender beef tenderloin seared to a perfect crust and finished with a fragrant rosemary-thyme butter for an elegant keto dinner. This american-inspired beef ready in about 45 minutes pairs beef tenderloin, olive oil, salt for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 420 calories and feeds 4, 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: 20 min Cook: 25 min Serves 4 American cuisine 420 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 400°F (200°C). Pat 1.5 lbs beef tenderloin dry, then season with 1 tsp salt and 1/2 tsp black pepper.
  2. Step 2: Heat 2 tbsp olive oil in an oven-safe skillet over medium-high heat until shimmering, then sear beef on all sides for 2-3 minutes per side until golden brown.
  3. Step 3: Transfer skillet to oven and roast for 15-18 minutes until internal temperature reaches 125°F (52°C) for medium-rare.
  4. Step 4: Remove beef from skillet, tent loosely with foil, and let rest 10 minutes.
  5. Step 5: While beef rests, melt 2 tbsp butter in skillet over medium heat, then add 1 tbsp fresh rosemary, 1 tbsp fresh thyme, and 2 minced garlic cloves, sautéing for 1 minute until fragrant.
  6. Step 6: Slice rested beef and drizzle with herb butter before serving.

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Frequently asked questions

How long does Herb-Infused Beef Tenderloin with Rosemary Butter take to make?

Total time is about 45 minutes (20 min prep + 25 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 Herb-Infused Beef Tenderloin with Rosemary Butter?

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 from drying out.

Can I substitute ingredients in Herb-Infused Beef Tenderloin with Rosemary Butter?

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 Herb-Infused Beef Tenderloin with Rosemary Butter for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Herb-Infused Beef Tenderloin with Rosemary Butter?

American 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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