Roasted Cajun Pork Tenderloin with Garlic Sauce Recipe
Introduction
This roasted pork tenderloin with garlic sauce is a flavorful and satisfying dish perfect for any weeknight dinner or special occasion. With a spicy Cajun seasoning and a rich garlic-infused sauce, it delivers a perfect balance of heat and savory goodness.

Ingredients
- 2 lb pork tenderloin
- 1 tbsp Cajun seasoning
- 2 tbsp vegetable oil
- 1/2 onion, finely diced
- 4 cloves garlic
- 1/2 tsp red pepper flakes
- 1/2 tsp dried oregano
- 1 cup chicken broth (or vegetable broth)
- 1 tbsp cornstarch
Instructions
- Step 1: Preheat the oven to 350°F (175°C). Heat the vegetable oil in a large pan over high heat.
- Step 2: Season the pork tenderloin on all sides with the Cajun seasoning. Place it in the hot oil and sear for about 1 minute on each side until browned.
- Step 3: Cover the pan with a lid or foil and transfer it to the oven. Bake for 25-35 minutes or until the internal temperature reaches 145°F (63°C).
- Step 4: Remove the pork from the pan and set aside. Place the pan with drippings back on the stove over medium heat. Add the diced onion and cook until translucent, about 3 to 5 minutes.
- Step 5: Add the garlic, dried oregano, and red pepper flakes to the pan. Cook for 1 minute until fragrant.
- Step 6: Stir in the chicken broth and bring the mixture to a simmer.
- Step 7: In a small bowl, combine the cornstarch with a little water to form a smooth paste. Stir this into the sauce and simmer for 3-5 minutes until thickened.
- Step 8: Slice the pork tenderloin and return the slices to the pan with the sauce. Spoon the sauce over the meat and serve immediately. Enjoy!
Tips & Variations
- For extra flavor, marinate the pork tenderloin in the Cajun seasoning and a little olive oil for 1-2 hours before cooking.
- If you prefer a milder sauce, reduce or omit the red pepper flakes.
- Substitute chicken broth with vegetable broth for a vegetarian-friendly option if serving with a plant-based protein.
- Serve with roasted vegetables or creamy mashed potatoes to complete the meal.
Storage
Store leftover pork tenderloin in an airtight container in the refrigerator for up to 3 days. Reheat gently in a pan over low heat with a splash of broth or water to keep the meat moist. Avoid microwaving directly to preserve texture and flavor.
How to Serve
Serve this delicious recipe with your favorite sides.
FAQs
Can I use a different cut of pork for this recipe?
Yes, you can use pork loin or pork chops, but cooking times will vary. Pork tenderloin is ideal for its tenderness and quick cooking time.
How do I know when the pork tenderloin is fully cooked?
Use a meat thermometer to check the internal temperature. The pork is safe to eat and juicy at 145°F (63°C). Let it rest a few minutes before slicing to retain juices.
PrintRoasted Cajun Pork Tenderloin with Garlic Sauce Recipe
This Roasted Pork Tenderloin with Garlic Sauce recipe features a perfectly seared and oven-roasted pork tenderloin seasoned with Cajun spices and served with a flavorful garlic, onion, and red pepper flake sauce thickened with cornstarch. It combines the richness of a pan-seared crust with the tender juiciness from oven baking, finished with a savory and slightly spicy sauce that elevates the dish.
- Prep Time: 10 minutes
- Cook Time: 40 minutes
- Total Time: 50 minutes
- Yield: 4 servings 1x
- Category: Main Course
- Method: Roasting
- Cuisine: American
Ingredients
Pork Tenderloin
- 2 lb pork tenderloin
- 1 tbsp Cajun seasoning
- 2 tbsp vegetable oil
Garlic Sauce
- 1/2 onion, finely diced
- 4 cloves garlic, minced
- 1/2 tsp red pepper flakes
- 1/2 tsp dried oregano
- 1 cup chicken broth (or vegetable broth)
- 1 tbsp cornstarch
- Water (to combine with cornstarch)
Instructions
- Preheat and Sear: Preheat your oven to 350°F (175°C). Heat 2 tablespoons of vegetable oil in a large pan over high heat until hot.
- Season and Brown the Pork: Season the pork tenderloin on all sides with 1 tablespoon of Cajun seasoning. Place the tenderloin in the hot oil and sear for about 1 minute on each side to develop a flavorful crust.
- Roast the Pork: Cover the pan with a lid or foil to retain moisture and transfer it to the preheated oven. Bake the pork tenderloin for 25 to 35 minutes, or until it reaches an internal temperature of 145°F (63°C) for safe and juicy doneness.
- Prepare the Sauce Base: Once the pork is done, remove it from the pan and set aside. Place the pan with the drippings back on the stove over medium heat. Add the finely diced onion and cook until translucent, which brings out its natural sweetness.
- Add Aromatics and Simmer: Stir in the minced garlic, dried oregano, and red pepper flakes. Cook for about 1 minute until fragrant. Then pour in 1 cup of chicken or vegetable broth and bring the mixture to a gentle simmer.
- Thicken the Sauce: In a small bowl, combine 1 tablespoon of cornstarch with a few tablespoons of water to create a smooth paste. Stir this mixture into the simmering sauce and cook for 3 to 5 minutes, stirring occasionally, until the sauce thickens into a glossy consistency.
- Serve: Slice the roasted pork tenderloin and return the slices to the pan with the garlic sauce to coat them well before serving. Enjoy your flavorful pork tenderloin with savory garlic sauce!
Notes
- Use a meat thermometer to ensure the pork reaches the safe internal temperature of 145°F.
- Vegetable oil is preferred for searing due to its high smoke point.
- Adjust the amount of red pepper flakes to control the heat level in the sauce.
- Substitute chicken broth with vegetable broth for a vegetarian-friendly sauce base, if desired.
- Rest the pork tenderloin for 5-10 minutes after roasting to allow juices to redistribute.
Keywords: pork tenderloin, roasted pork, garlic sauce, Cajun seasoning, easy pork recipe, oven roasted pork

