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Home » Recipes » Easy One-Pan Pork Tenderloin Dinner: With Peppers and Onions!

January 4, 2025

Easy One-Pan Pork Tenderloin Dinner: With Peppers and Onions!

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Are you looking for a simple, quick and delicious dinner idea? Then you will love my recipe! It will be ready in about 30 minutes!

Recipe Image 1

If you have pork tenderloin at home, I have a great dinner idea for you! All you need is peppers, onions and seasonings (and little else) to have this simply delicious dinner ready in 30 minutes!

You’ll have a delicious meal ready in no time using only the ingredients in your pantry.

It’s a recipe that I make several times and it always turns out well, so I believe you’ll really love it.

Are you ready to start cooking? Let’s get to it!

One-Pan Pork Tenderloin Recipe

Recipe Image 2

Ingredients:

  • 1 pork tenderloin (about 1 ½ pounds)
  • 1 tbsp olive oil
  • 2 medium onions, sliced into rings
  • 1 red bell pepper, sliced
  • 1 green bell pepper, sliced
  • 1 tsp garlic powder
  • 1 tsp parsley (dried or fresh)
  • Pinch of nutmeg
  • 1 tsp paprika
  • 1 tbsp tomato paste
  • ¼ cup white wine (or chicken stock as a substitute)
  • Salt and ground pepper, to taste

Step 1: Preheat and Sear the Pork

Preheat the oven to 425°F (220°C). Pat the pork tenderloin dry with a paper towel and season it with ½ tsp of salt.

Heat 1 tbsp of olive oil in an oven-safe skillet (I used a cast iron skillet) over medium heat. Once the oil is hot, add the pork tenderloin and sear it on all sides until evenly browned. Remove the pork from the skillet and set it aside on a plate or cutting board.

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Note: This step is just to seal the exterior; the pork should not be fully cooked yet.

Step 1
Step 1

Step 2: Cook the Onions and Peppers

In the same skillet, add the onion rings. If needed, add a little more olive oil to prevent sticking. Cook the onions over medium heat until they become soft, about 5 minutes.

Next, add the red and green peppers, followed by the tomato paste (1 tbsp) and enough white wine to cover the bottom of the skillet. Stir everything well to combine, then let it cook for another 5 minutes, allowing the flavors to blend and the liquid to reduce slightly.

Step 3: Season and Add the Pork

Sprinkle the vegetables with 1 tsp garlic powder, 1 tsp parsley, a pinch of nutmeg, 1 tsp paprika, and a generous amount of ground pepper. Add a bit more salt to taste and stir to combine. Let it cook for just 1-2 minutes to release the aromas.

Place the seared pork tenderloin on top of the vegetables. Spread a small amount of garlic and tomato paste over the pork using a spoon to evenly coat the surface. This will enhance the flavor as it cooks.

Step 4: Roast and Serve

Place the skillet in the preheated oven and roast for about 15 minutes, or until an internal thermometer registers 145°F to 150°F for perfectly cooked pork.

Remove the skillet from the oven and let the pork tenderloin rest for a few minutes. Slice the pork into even pieces and serve with the flavorful sauce and vegetables spooned over the top to enhance the taste. Enjoy!

So, what did you think of the recipe? It looks really good, doesn’t it? People who see this delicious recipe might think it’s very difficult to make, but the truth is that it’s easier than it seems!

Before you go, save it to your Pinterest boards, so when you don’t know what to make for dinner, you can use this recipe. Have fun cooking!

Recipe Image 3
Recipe Image 1

One-Pan Pork Tenderloin with Peppers and Onions

Alice Dias
Are you looking for a simple, quick and delicious dinner idea? Then you will love my recipe! It will be ready in about 30 minutes!
Print Recipe Pin Recipe
Prep Time 5 minutes mins
Cook Time 25 minutes mins
Total Time 30 minutes mins
Course Main Course
Servings 3 People

Equipment

  • Oven-safe skillet

Ingredients
  

  • 1 Pork tenderloin about 1 ½ pounds
  • 1 tbsp Olive oil
  • 2 medium Onions sliced into rings
  • 1 Red bell pepper sliced
  • 1 Green bell pepper sliced
  • 1 tsp Garlic powder
  • 1 tsp Parsley dried or fresh
  • Pinch of Nutmeg
  • 1 tsp Paprika
  • 1 tbsp Tomato paste
  • ¼ cup White wine or chicken stock as a substitute
  • Salt and ground pepper to taste

Instructions
 

  • Preheat the oven to 425°F (220°C). Pat the pork tenderloin dry with a paper towel and season it with ½ tsp of salt.
  • Heat 1 tbsp of olive oil in an oven-safe skillet (I used a cast iron skillet) over medium heat. Once the oil is hot, add the pork tenderloin and sear it on all sides until evenly browned. Remove the pork from the skillet and set it aside on a plate or cutting board.
    Note: This step is just to seal the exterior; the pork should not be fully cooked yet.
  • In the same skillet, add the onion rings. If needed, add a little more olive oil to prevent sticking. Cook the onions over medium heat until they become soft, about 5 minutes.
  • Next, add the red and green peppers, followed by the tomato paste (1 tbsp) and enough white wine to cover the bottom of the skillet. Stir everything well to combine, then let it cook for another 5 minutes, allowing the flavors to blend and the liquid to reduce slightly.
  • Sprinkle the vegetables with 1 tsp garlic powder, 1 tsp parsley, a pinch of nutmeg, 1 tsp paprika, and a generous amount of ground pepper. Add a bit more salt to taste and stir to combine. Let it cook for just 1-2 minutes to release the aromas.
  • Place the seared pork tenderloin on top of the vegetables. Spread a small amount of garlic and tomato paste over the pork using a spoon to evenly coat the surface. This will enhance the flavor as it cooks.
  • Place the skillet in the preheated oven and roast for about 15 minutes, or until an internal thermometer registers 145°F to 150°F for perfectly cooked pork.
  • Remove the skillet from the oven and let the pork tenderloin rest for a few minutes. Slice the pork into even pieces and serve with the flavorful sauce and vegetables spooned over the top to enhance the taste. Enjoy!
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Hi! I'm Alice Dias! I created this website to help all my readers be happier. I hope to serve as an inspiration to you, and that my content helps you to be a better and happier person. If my content makes your day better, my job is done. You can read our full story here.

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