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foolproof roasted pork tenderloin

(14 RATINGS)
3.65K Pinches 23 Photos
StillWild avatar
Bayou Country, LA
Updated on Nov 3, 2025

Tender, juicy and full of flavor - this is a no-fail recipe for pork tenderloin that comes out perfect every time.

Blue Ribbon Recipe

Not only are you going to love this roasted pork tenderloin, but it's also going to be one of the easiest recipes you've ever made. We guarantee this is going to go into your weekly rotation. Juicy and succulent, the roast is filled with the perfect balance of spices. It's savory with a little spice. Marinating the roast is what makes this recipe so flavorful. This roasted pork could be cooked on any night of the week, but it's delicious enough for special occasions.

— The Test Kitchen
prep time 10 Min
cook time 45 Min
method Bake
yield 4-6 serving(s)

Ingredients

  • 1 - 1.5 - 2 lb pork tenderloin
  • 1/3 - 1/2 cup olive oil (I use garlic infused)
  • 1 tablespoon granulated garlic or powder
  • 1 tablespoon granulated onion or powder
  • 1 teaspoon dried Italian seasoning
  • 1/2 teaspoon crushed red pepper flakes (optional)
  • 1/2 teaspoon dried oregano or 1 tsp fresh, chopped fine
  • 1/2 teaspoon crushed rosemary
  • 1 teaspoon salt & pepper or to taste

How To Make foolproof roasted pork tenderloin

  • 1.5 lb. Pork Tenderloin, not a pork loin.
    Step 1
    Place thawed pork tenderloin in a gallon Ziploc bag (I use Hormel original tenderloin, about 1.5 lbs.). Add olive oil, granulated onion, granulated garlic, salt, pepper, Italian seasoning, oregano, optional red pepper flake, dried rosemary, or any other herb that you love with pork.
  • Meat marinating for an hour.
    Step 2
    Seal bag and remove as much air as possible to make sure that the seasonings completely coat the pork tenderloin. Put in refrigerator for at least 1 hour or longer.
  • Tenderloin placed in a baking dish.
    Step 3
    Preheat oven to 425°F. (This is not a typo.) Line a casserole or small baking dish with aluminum foil for easy cleanup, if desired. REMOVE TENDERLOIN FROM BAG and center in a foil-lined dish.
  • Baking pork tenderloin.
    Step 4
    Pour marinade over the tenderloin and bake for 15 minutes.
  • Turning tenderloin while continuing to bake.
    Step 5
    Turn meat over and bake another 15 minutes. Turn meat over once more and bake another 15 minutes for a total cooking time of 45 minutes.
  • Roasted pork tenderloin resting.
    Step 6
    Remove from oven and let rest for 10 minutes.
  • Slicing the pork tenderloin.
    Step 7
    Cut into 1/4" or thicker slices and serve with your favorite side dishes. If desired make a compound butter/margarine ahead of time with a little crushed dried rosemary, thyme, and garlic. Put a small pat on each slice and allow heat to melt it into the meat. C'est ci bon!
  • https://youtu.be/Iju2PXwWR3k
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Nutrition Facts

(per serving*)
calories: 379kcal, carbohydrates: 3g, cholesterol: 111mg, fat: 24g, fiber: 1g, protein: 36g, saturated fat: 5g, sodium: 677mg, sugar: 0g, unsaturated fat: 20g
*Daily Values are based on a 2,000 calorie diet. Nutrition information is estimated.

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