To BBQ a pork tenderloin, preheat your grill to medium heat (about 400°F), sear the tenderloin over direct heat for 2–3 minutes per side, then move it to indirect heat and cook until the internal temperature reaches 145°F using a meat thermometer. Let it rest before slicing. Keep reading for more tips and detailed step by step directions to ensure it turns out perfect, every time!

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Now that summer has finally arrived, and I mean finally, I’ve been spending more time in the garden, setting up the back patio, and soaking in those late golden hour dinners instead of hiding in the air conditioning. There’s something so satisfying about firing up the grill and cooking outdoors. And for me, nothing says “hello, summer!” quite like a perfectly grilled pork tenderloin.

If you’ve never grilled one before, don’t worry. This is one of the most approachable cuts of meat to cook, and with a few easy tips, you’ll be serving juicy, flavorful pork every time. So, whether you’re hosting a backyard BBQ or just making a casual weeknight dinner. Let’s dive in!

Why Pork Tenderloin is One of My Go-To Summer Grilling Recipes

Pork tenderloin is lean, quick-cooking, and incredibly versatile. It pairs beautifully with everything from a garlicky marinade to a sweet and sticky BBQ sauce. Because it’s so mild in flavor, it’s the perfect canvas for layering in bold seasoning. Also, it’s easy enough for a weeknight, yet impressive enough for entertaining.

As a recipe developer and home entertaining expert, I’ve grilled more pork tenderloins than I can count. Whether it’s for a brand shoot or a relaxed dinner with friends, this cut of meat consistently delivers.

How to Grill Pork Tenderloin (Step-by-Step)

1. Start with a good marinade or rub

Give your pork some love! A simple mix of olive oil, garlic, salt, black pepper, and a touch of Dijon or balsamic works beautifully. You can also opt for a dry rub of paprika, cumin, and brown sugar. Marinate for at least 30 minutes, or up to overnight for deeper flavor. You can also try my Homemade Chili Lime BBQ Sauce!

2. Preheat your grill properly

Heat your gas grill to medium-high (around 400°F). If you’re using a charcoal grill, make sure you’ve got both a direct heat zone and an indirect heat zone. This is crucial for even cooking!

3. Sear over direct heat

Place the pork tenderloin directly over the flame and sear for 2–3 minutes per side. This locks in the juices and gives you that delicious grilled crust.

4. Move to indirect heat

Once seared, move the pork to indirect heat and close the lid. Cook for about 15–20 minutes, turning occasionally.

5. Check the internal temperature

Use a meat thermometer to check doneness. You want to pull the pork off the grill at 145°F (a thermometer inserted into the thickest part will tell you). Let it rest for 5–10 minutes before slicing. Don’t skip this step! This allows the juices to redistribute.

Bonus Tip

If you love a sticky finish, brush with your favorite BBQ sauce in the last 5 minutes of grilling!

Pork Tenderloin Recipe Tips

Always use indirect heat after the initial sear—this ensures juicy results without drying the meat out.

If you’re short on time, try an air fryer pork tenderloin—it won’t have that smoky flavor, but it’s a great indoor alternative.

A rested pork tenderloin = a juicy pork tenderloin. Don’t skip the rest!

Keep a clean grill and oil the grates before cooking to prevent sticking.

What to Serve with Grilled Pork Tenderloin

Common Questions About Grilling Pork Tenderloin

Grill for about 20–25 minutes total, depending on thickness. Sear over direct heat first, then finish cooking over indirect heat.

The safe internal temperature is 145°F, as recommended by food safety guidelines. Use a read thermometer to confirm.

Yes! Use direct heat to sear and then move to indirect heat to finish cooking. The smoky flavor from the charcoal is unbeatable.

Avoid overcooking. Sear first, then finish slowly over lower heat. Always rest the meat for at least 5 minutes before slicing.

Final Thoughts

Whether you’re a seasoned grill master or just firing up your barbecue for the first time this year, grilled pork tenderloin is a guaranteed crowd-pleaser. It’s quick, flavorful, and endlessly versatile, making it the perfect centrepiece for your next summer dinner party.

This summer, I’m embracing slower evenings outdoors, dining under the twinkle lights, and celebrating fresh, simple food shared with good company. I hope you do the same!

So grab that pork tenderloin from the fridge, fire up the grill, and let the season begin.

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