Pan-Seared Beef Tenderloin with Rosemary Butter

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

Perfectly seared beef tenderloin finished with a fragrant rosemary-infused butter sauce for an elegant keto dinner. This american-inspired beef ready in about 35 minutes pairs beef tenderloin, olive oil, unsalted butter for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 500 calories and feeds 2, 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.

★ 4.5 (11 ratings) Prep: 15 min Cook: 20 min Serves 2 American cuisine 500 cal/serving
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Ingredients

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Instructions

  1. Step 1: Pat 1.5 pounds beef tenderloin dry with paper towels and season generously with salt and black pepper on all sides.
  2. Step 2: Heat 2 tablespoons olive oil in a large oven-safe skillet over medium-high heat until shimmering (about 2 minutes).
  3. Step 3: Place beef tenderloin in skillet and sear for 3-4 minutes per side until deep brown crust forms.
  4. Step 4: Transfer skillet to preheated oven at 400°F (200°C) and roast for 10-12 minutes until internal temperature reaches 125°F (52°C) for medium-rare.
  5. Step 5: Remove beef, tent with foil, and rest for 10 minutes.
  6. Step 6: Melt 1/4 cup butter in skillet over medium heat, add 2 minced garlic cloves and 1 tablespoon chopped rosemary; cook for 1 minute until fragrant, then remove from heat.
  7. Step 7: Slice rested beef and drizzle with rosemary butter, garnishing with 1 tablespoon chopped parsley.

Frequently asked questions

How long does Pan-Seared Beef Tenderloin with Rosemary Butter take to make?

Total time is about 35 minutes (15 min prep + 20 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 Pan-Seared 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 Pan-Seared 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 Pan-Seared Beef Tenderloin with Rosemary Butter for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). 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 Pan-Seared 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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