Slow Cooker Pork Tenderloin

This Slow Cooker Pork Tenderloin is a simple but flavorful dinner recipe. No dry pork here! Just set it and forget it while it simmers away in a delicious gravy!

AN EASY CROCK POT RECIPE

Slow Cooker Pork Tenderloin is a delicious and easy meal for dinner any day of the week! With just a few minutes of prep and some common pantry staple ingredients, you can have a delicious dinner cooking as you get other stuff done or if you just want to relax a little and enjoy time with friends and family. This tenderloin is cooked to perfection in an onion flavored pork gravy in the slow cooker, and the result is a juicy and flavorful meal that everyone is guaranteed to love!

A few slices of the slow cooked Pork Tenderloin on a bed of mashed potatoes.

FREQUENTLY ASKED QUESTIONS:  

Is it better to cook pork tenderloin fast or slow?

This will only take about 1 hour on high if you want to speed it up, but, I really suggest using the low setting if possible. Lower and a bit slower makes the tenderloin more juicy and tender. This only takes about 2-2 1/2 hours on low so it’s really not a very long time anyways.

Can you overcook pork in Slow Cooker on low?

Sure, if you left if in the slow cooker for too long you can absolutely overcook it and dry it out. Be sure to follow cook times appropriately.

Can you put pork in slow cooker without liquid?

I don’t recommend it. That’s why we add the beef stock to help give the meat some juice to cook in and not dry out while it’s cooking low and slow.

Can I cook the onions first?

Of course. Your kitchen, your rules! If you want to, you can saute the onions first before adding them to the slow cooker with another tablespoon of olive oil.

Can I use a different cut of pork?

You bet. This will also work for a pork loin, but just know that the cooking time will need to be adjusted. Always go by the internal temperature to know when it is done and safe to eat (145F degrees.)

What to serve with Crockpot Pork Tenderloin?

Any of your favorite side dishes will work well with this pork dish. Fried Apples go perfectly with this. Pork and apples are a match made in heaven. Try a nice salad, roasted vegetables, squash casserole, mashed potatoes, mac and cheese, fried apples and more! Whatever you have on hand to toss together should work.

How do I thicken the gravy?

If you want a thicker gravy, you can do it one of two ways. Strain the liquid from the crock pot after the pork loin is done cooking. Add it to a sauce pan. Whisk together 2 Tablespoons of cornstarch with two Tablespoons of water (this is a cornstarch slurry) and add to the sauce pan. Turn the heat up to high and whisk until thicken. For a slightly easier way to thicken the gravy, make the cornstarch slurry and whisk it in with the liquids in the crock pot. Turn the crock pot up to high and give it about 20-30 minutes to thicken.

How to store Slow Cooker Pork Tenderloin?

Once the meat has cooled to room temperature, you can transfer it to an airtight container and keep it refrigerated for up to 3 days or freeze it for up to 3 months.
Reheat leftovers in the slow cooker with the gravy or on the stove top. I like to reheat it in slices and not a whole tenderloin. Try not to overcook the pork or it will become dry.

Looking down on a Slow Cooker with pork tenderloin.

INGREDIENTS NEEDED: (SEE RECIPE CARD BELOW FOR THE FULL RECIPE)

  • onion – the tenderloins are going to sit on top of these onions as they cook. It gives so much flavor to the pork but also to the gravy it creates. If you don’t like onions you can just skip it.
  • pork tenderloins – Most packs of tenderloins come as a 2 pack so I wanted a recipe that would make use of both tenderloins but you can certainly just make one if you prefer. This can also be made with a pork loin.
  • low-sodium beef broth – because we season the tenderloin with salt, use salted butter and season with a packet of gravy mix, there is more than enough salt in the recipe so I used a low sodium beef broth here.
  • packet pork gravy mix – if you can’t find pork, I would recommend using a packet of au jus or you could use a beef gravy mix.
  • salted butter – you want real butter here, not margarine.
Pork tenderloin, olive oil, butter, gravy packet, onion, salt, and pepper.

HOW TO MAKE SLOW COOKER PORK TENDERLOIN

Spray an 6 or 8-quart slow cooker with cooking spray, add the sliced onions to the bottom of the cooker, and set aside. Pat the pork tenderloins dry with a paper towel. Season the pork tenderloins with salt and pepper all over.

collage of three photos: sliced onions in the bottom of a slow cooker; drying two pork tenderloins with a paper towel; seasoning tenderloins on a baking sheet.

In a large skillet over medium-high heat, add the olive oil. Once hot, sear one pork tenderloin at a time on all sides until browned. Place the seared tenderloin on top of the onions in the slow cooker. Repeat with the other tenderloin. Pour the beef broth around the tenderloins.

collage of two photos: seared pork loins on top of sliced onions in slow cooker; pouring beef broth over the pork loins.

Sprinkle the gravy mix on top evenly. Add slices of butter on top of each tenderloin. Cook on low for 2 – 2.5 hours or until an internal temperature reaches at least 145°F and the onions are softened, or until your desired internal temperature.

collage of three photos: sprinkled pork gravy on top of tenderloins; pats of butter evenly spread across tenderloins; fully cooked pork tenderloins show in slow cooker.

Slice and serve immediately with the juices as a gravy.

A sliced Slow Cooker Pork Tenderloin sliced up on a baking sheet with parchment paper.

CRAVING MORE RECIPES?

Pork Tenderloin in a Slow Cooker insert.

Slow Cooker Pork Tenderloin

This Slow Cooker Pork Tenderloin is a simple but flavorful dinner recipe. No dry pork here! Just set it and forget it while it simmers away in a delicious gravy!
5 from 17 votes
Print Pin Rate
Prep Time: 10 minutes
Cook Time: 2 hours 40 minutes
Total Time: 2 hours 50 minutes
Servings: 6 servings

Ingredients

  • 1 medium onion, thinly sliced
  • 2 pork tenderloins (about 1 pound each)
  • ½ teaspoon salt
  • ½ teaspoon black pepper
  • 2 Tablespoons olive oil
  • ½ cup low-sodium beef broth
  • 1 packet pork gravy mix
  • 4 Tablespoons salted butter, thinly sliced
  • fresh chopped parsley ,for garnish (optional)

Instructions

  • Spray a 6 or 8-quart slow cooker with cooking spray, add the sliced onions to the bottom of the cooker, and set aside.
    Onions in a slow cooker insert.
  • Pat the pork tenderloins dry with a paper towel.
    A hand patting pork tenderloins dry with paper towels.
  • Season the pork tenderloins with salt and pepper all over.
    Seasoned Pork Tenderloins on a baking sheet.
  • In a large skillet over medium-high heat, add the olive oil. Once hot, sear one pork tenderloin at a time on all sides until browned. Place the seared tenderloin on top of the onions in the slow cooker. Repeat with the other tenderloin.
    Seared pork tenderloins on a bed of onions in a Slow Cooker insert.
  • Pour the beef broth around the tenderloins.
    Broth being poured over pork and onions.
  • Sprinkle the gravy mix on top evenly.
    Pork tenderloins with gravy mix on top.
  • Add slices of butter on top of each tenderloin.
    Butter slices on gravy mix covered pork tenderloins.
  • Cook on low for 2 – 2.5 hours or until an internal temperature reaches at least 145°F and the onions are softened, or until your desired internal temperature.
    Slow Cooker Pork Tenderloins in the cooker.
  • Slice and serve immediately with the juices as a gravy.
    A few slices of the slow cooked Pork Tenderloin on a bed of mashed potatoes.

Notes

  • Please refer to my FAQ’s (Frequently Asked Questions) and ingredient list above for other substitutions or for the answers to the most common questions.
Course: Dinner, Main Course
Cuisine: American

Nutrition

Calories: 843kcal | Carbohydrates: 2g | Protein: 125g | Fat: 34g | Sodium: 607mg | Fiber: 0.4g | Sugar: 1g

Nutritional Disclaimer

“The Country Cook” is not a dietician or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories and other nutritional values can vary quite a bit depending on which brands were used.

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Recipe Rating




16 Comments

  1. 5 stars
    Wow, I just made this and it was great! I sauted the onions before searing the meat and had to use beef gravy. Also, I made my beef broth in the saute pan after making the onions and scraped up those bits into the broth before pouring into the crock pot. I only had 1 tenderloin, cooked it for 2 hours and it was soooo tender. Best of all, my husband loved it! Thank you for a winning recipe! I’ll be making it again!!

  2. 5 stars
    This is the best recipe for pork tenderloin that I’ ve ever made! I didn’t have the packet of pork gravy mix, so I used a packet of au jus mix…just used half the packet of mix (with beef Better than Bouillon) because I was afraid the liquid would be too salty. At any rate, it came out so tender and juicy!

    1. Hi Kristen! I haven’t tested it with that much meat, I am sorry. I don’t like to guess unless I’ve tested it out myself. You’ll have to play it by ear and check the temperature to know when it is done. It should be a minimum 145F degrees.

  3. 5 stars
    We loved this pork. It was very tender and the gravy was delicious! The next time I make it I plan on using glow sodium gravy mix.