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This roasted pork tenderloin recipe is easy to make, delicious and FAST. This is marinated and quick-seared in cast iron to lock in flavor and juices. Served with sautéed apples and onions with a quick maple-mustard sauce.
HERE’S WHY YOU’LL ABSOLUTELY LOVE THIS:
- This roasted pork tenderloin is easy to make. This only requires marinating, searing and baking! That’s it.
- You can make this entirely in one pan. You’ll still need a cutting board, a couple bowls and an oven safe pan.
- This is healthy! No added sugar or dairy, just simple, easy ingredients that create a nourishing and delicious meal.
Ingredients:
Ingredient notes:
- This is made with a pork tenderloin, not a pork lion. Though you can absolutely use a larger pork loin, your time will need to adjusted to make sure that the pork cooks to 145 degrees.
- You can use a red, sweet or yellow onion for this. I used a red onion because that’s what I have on hand but usually I would use a yellow onion.
- If you don’t have fresh rosemary on hand you can use dried rosemary, just use 1 tsp instead of 1 tbsp.
How to make this, step-by-step:
- Mix together your marinade: olive oil, dijon mustard, salt and pepper.
- Place your tenderloin and marinade in a plastic bag. Press out the air and seal it.
- Rub around until the entire pork tenderloin is covered. Place in the fridge for 30 minutes up to 2 hours. Take out the tenderloin 20 minutes before you complete the cooking process.
- While the pork is marinating, slice your onion, chop your apple, dice your rosemary and mince your garlic (if you haven’t done so already).
- Preheat your oven to 375. Once your tenderloin is done marinating, wipe off excess marinade and sear in an oven-safe pan with 1 tbsp olive oil over medium-high heat. Sear on all sides, about 2 minutes on each. Put your pork in the oven and cook 5 minutes.
- Mix up your mustard sauce: whole grain mustard, maple syrup and rosemary.
- Remove pork from the oven and add your apple, garlic, and onion around the edges of the pork. Lightly salt and pepper the apple, garlic and onion, give them a quick toss and place back in the oven for another 15-20 minutes, or until pork reaches 145 degrees.
- Remove from the oven and let the pork rest. If your apple or onion aren’t done to your liking, sear a little longer and then mix in the sauce with the apple onion mix or pour over the pork (or use it to dip!). Slice up the pork and serve with apple and onion mix with your sauce.
Frequently Asked Questions:
- What temperature should pork tenderloin be cooked to: This should be no less that 145 degrees.
- How do you keep pork tenderloin from drying out? Well first, marinate it! The mustard and olive oil will help lock in the moisture as will the sear you’re going to give this on all sides. You should also avoid overcooking because that will dry out your pork as well.
- What if my pork is pink in the middle? That’s ok! As long as your pork reaches 145 degrees you’re good to go. At 145 is its going to be pink and look less that well done, which is totally fine.
If you’re looking for some other easy weeknight dinners, try our One Pot Sausage and Ricotta Pasta, or our Baked Salmon with Balsamic Cherry Tomatoes.
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Roasted Pork Tenderloin with Apples and Mustard Sauce
An easy, delicious and healthy recipe for roasted pork tenderloin, a weeknight dinner. Complete with sauteed apples and onion and a quick maple-mustard sauce.
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Servings: 4
Calories: 682kcal
Equipment
- cast iron pan
Ingredients
- 1 pork tenderloin
- 2 tbsp dijon mustard
- 2 1/2 tbsp olive oil
- 1/4 cup whole grain mustard
- 1 tbsp maple syrup
- 1/2 onion
- 1 apple
- 1 clove garlic
- 1 tbsp rosemary
- salt and pepper
Instructions
- In a bowl, mix 1/2 tbsp olive oil, dijon mustard, salt and pepper together and rub over the tenderloin. Let marinate 30 minutes to 2 hours in fridge, once done marinating, remove from fridge and let rest for 10-15 minutes.
- While the pork is marinating, slice your onion, chop your apple, dice your rosemary and mince your garlic (if you haven’t done so already).
- Preheat oven to 400°. Heat 1 tablespoon oil in large cast iron or oven-safe skillet over medium-high heat. Wipe excess marinade from pork and cook until browned on all sides, about 2-3 minutes on each side.
- Put your pork in the oven and cook 5 minutes.
- While pork cooks, mix together whole grain mustard and maple syrup and set aside
- Remove pork from the oven and add your apple, garlic, and onion around the edges of the pork. Lightly salt and pepper the apple, garlic, and onion, give them a quick toss and place back in the oven for another 15-20 minutes, or until pork reaches 145 degrees.
- Remove from the oven and let the pork rest. If your apple or onion aren’t done to your liking, sear a little longer and then mix in the sauce with the apple onion mix or pour over the pork (or use it to dip!). Slice up the pork and serve with apple and onion mix with your sauce.
Notes
If you have any questions, you might find helpful answers here:
What temperature should pork tenderloin be cooked to? This should be no less that 145 degrees.
This is made with a pork tenderloin, not a pork lion. Though you can absolutely use a larger pork loin, your time will need to adjusted to make sure that the pork cooks to 145 degrees.
You can use a red, sweet or yellow onion for this. I used a red onion because that’s what I have on hand but usually I would use a yellow onion.
If you don’t have fresh rosemary on hand you can use dried rosemary, just use 1 tsp instead of 1 tbsp.
Nutrition
Calories: 682kcal | Carbohydrates: 13g | Protein: 95g | Fat: 26g | Saturated Fat: 7g | Cholesterol: 295mg | Sodium: 500mg | Potassium: 1894mg | Fiber: 2g | Sugar: 9g | Vitamin A: 40IU | Vitamin C: 4mg | Calcium: 58mg | Iron: 5mg
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Where did the garlic go? Instructions did not say, I’m assuming with the onion and apple?
Thanks!
I can’t believe I missed that! You are correct, it goes in with the apple and onion, and I just fixed it in the recipe too. 🙂