Grilling beef tenderloin creates a juicy, flavorful roast that impresses at any gathering. This cut, from the loin, stays tender due to low connective tissue. It cooks quickly on the grill. Follow these steps for success.
Selecting the Best Beef Tenderloin
Choose a high-quality cut for top results. Look for USDA Prime or Choice grade. These offer great marbling for flavor and moisture.
Aim for a whole tenderloin weighing 4 to 6 pounds. It serves 8 to 12 people. Trim excess silver skin and fat. Silver skin toughens during cooking. Use a sharp knife to remove it cleanly.
Source from a trusted butcher or grocer. Fresh is best. Plan for 1/3 to 1/2 pound per person. Buy ahead and pat dry before use.
Essential Ingredients and Tools
Gather simple ingredients. You need:
- 4-6 lb beef tenderloin, trimmed
- 3 tbsp olive oil
- 4 garlic cloves, minced
- 2 tbsp fresh rosemary, chopped
- 2 tbsp kosher salt
- 1 tbsp black pepper, coarse ground
- Optional: 1 tbsp Dijon mustard for rub
Tools include:
- Gas or charcoal grill
- Meat thermometer
- Long tongs
- Aluminum foil
- Cutting board and knife
These keep prep easy and safe.
Preparing the Tenderloin
Prep takes 15 minutes plus marinating time. Start at room temperature. Remove from fridge 1-2 hours before grilling. This ensures even cooking.
Pat the meat dry with paper towels. Rub with olive oil all over. Mix garlic, rosemary, salt, pepper, and mustard into a paste. Coat the tenderloin evenly.
Tie with butcher’s twine every 2 inches. This holds shape for uniform grilling. Let sit 30 minutes to 4 hours in fridge, uncovered. This dries the surface for better sear.
Preheating and Setting Up the Grill
Heat your grill to two-zone cooking. One side hot for searing, the other medium for indirect heat.
For gas grills: Turn all burners to high for 15 minutes. Then lower one side to medium (about 350°F). Keep the other on high (500°F+).
For charcoal: Light 50-60 briquettes. Pile two-thirds on one side for hot zone. Spread one-third on the other for indirect. Target 450-500°F overall.
Clean grates and oil them. This prevents sticking.
Grilling Step by Step
Grill time varies by size and doneness. Use a thermometer for accuracy. Target internal temps: Rare 125°F, Medium-Rare 135°F, Medium 145°F.
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Step 1: Sear the tenderloin. Place on hot side. Rotate every 2 minutes for 8-10 minutes total. Get a deep brown crust all around.
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Step 2: Move to indirect heat. Close lid. Cook 20-40 minutes. Check temp in thickest part. Pull off 5°F below target—it carries over.
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Step 3: Rest the meat. Tent with foil. Rest 15-20 minutes. Juices redistribute for tenderness.
Total time: 45-60 minutes for medium-rare.
Checking Doneness and Resting
Never guess doneness. Insert thermometer horizontally into center, avoiding bone or fat.
- Doneness Internal Temp Color
- Rare 125°F Red center
- Medium-Rare 135°F Warm red
- Medium 145°F Pink
- Medium-Well 150°F Slight pink
- Well 160°F+ No pink
Resting is key. It lets juices settle. Slice against the grain after.
Slicing and Serving
Untie twine. Slice into 1/2-inch thick medallions. Serve immediately.
Pair with grilled veggies, baked potatoes, or horseradish sauce. A red wine like Cabernet pairs well.
Leftovers store in fridge up to 4 days. Reheat gently in low oven.
Common Mistakes to Avoid
- Overcooking dries it out. Always use a thermometer.
- Don’t skip trimming. Silver skin chews tough.
- Flip too often? No. Sear properly first.
- Grill too cold? Crust won’t form. Preheat fully.
- Skipping rest? Juices run out when cut.
Tips for Perfect Results
- Season generously. Salt draws out moisture for better bark.
- Butter baste optional: During last sear, add butter, garlic, herbs. Spoon over meat.
- Reverse sear alternative: Smoke indirect first, then sear. Great for larger cuts.
- Weather matters. Wind cools grates—adjust heat.
- Practice on smaller filets first.
Flavor Variations
- Classic herb rub works always. Try coffee rub: Mix 2 tbsp ground coffee, salt, pepper.
- Asian twist: Soy sauce, ginger, sesame oil marinade 2 hours.
- Spicy: Chili powder, cumin, garlic.
Keep simple to let beef shine.
Grilled beef tenderloin becomes your go-to. Master this, impress everyone.
Frequently Asked Questions (FAQs)
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How long to grill beef tenderloin per pound?
Plan 10-15 minutes per pound indirect after searing, to medium-rare. Check with thermometer. -
Can I grill beef tenderloin on a charcoal grill?
Yes. Use two-zone setup. Hot coals one side, indirect other. Maintain 350-400°F indirect. -
What’s the best doneness for beef tenderloin?
Medium-rare at 135°F. Keeps it juicy and tender. -
Should I marinate beef tenderloin before grilling?
Optional. Rub works best for quick flavor. Marinate no more than 4 hours—acid tenderizes too much. -
How do I know if my tenderloin is done without a thermometer?
Press test: Firm like chin tip for medium-rare. But thermometer is most reliable.