Unlock the secret to incredibly tender, juicy, and flavorful pork tenderloin with this unbelievably easy slow cooker recipe. Crafted with a simple yet irresistible garlic butter sauce, this dish promises perfect results every time, making it an instant family favorite for busy weeknights or relaxed weekend gatherings. Forget dry or tough pork; your crock pot is about to transform this lean cut into a succulent culinary masterpiece that practically cooks itself.

There’s an undeniable magic that happens when you combine the convenience of a slow cooker with a high-quality cut like pork tenderloin. This recipe isn’t just about ease; it’s about achieving a depth of flavor and tenderness that’s hard to beat. The slow, gentle cooking process, combined with a rich garlic butter sauce, infuses the meat with aromatic goodness, ensuring every bite is moist and melts in your mouth. Simply add your ingredients, set it, and come back to a gourmet-quality meal ready to be devoured.
While pork can sometimes be challenging to cook without drying it out, the slow cooker method is a game-changer for tenderloin. It maintains a consistent, low temperature, allowing the connective tissues to break down gradually, resulting in an exceptionally tender texture. The harmonious blend of fresh garlic, rich butter, and savory herbs creates a phenomenal sauce that complements the pork perfectly. I’ve personally made this dish countless times, and it consistently disappears from the table, earning rave reviews from my family. Whether you need a quick and satisfying weeknight dinner or a comforting Sunday meal, this crock pot garlic butter pork tenderloin is a reliable winner. If you’re short on time, a baked version offers a faster alternative.
Why Choose Slow Cooker Pork Tenderloin?
Pork tenderloin is a lean, delicate cut of meat, often praised for its mild flavor and versatility. However, its low fat content can make it prone to drying out when cooked too quickly or at high temperatures. This is where the slow cooker truly shines, transforming an already good cut into something extraordinary.
- Unmatched Tenderness: The low and slow cooking environment of a crock pot gently braises the pork, breaking down muscle fibers and ensuring the meat remains incredibly moist and tender. It’s nearly impossible to overcook pork tenderloin in a slow cooker to the point of dryness, unlike other methods.
- Effortless Preparation: This recipe is a testament to minimal effort for maximum flavor. Most of the work involves assembling ingredients, with the slow cooker handling all the heavy lifting. This frees up your time for other tasks or simply to relax.
- Flavor Infusion: Cooking pork tenderloin directly in its flavorful liquid allows the garlic butter, broth, and spices to deeply penetrate the meat. The result is a pork tenderloin that is not just tender, but bursting with savory, aromatic notes from the inside out.
- Perfect for Meal Prep: The recipe yields delicious leftovers that are easy to store and reheat, making it ideal for meal prepping throughout the week. The flavors often deepen overnight, tasting even better the next day.
- Healthy and Satisfying: Pork tenderloin is a lean protein source, and when paired with wholesome ingredients like garlic and broth, it makes for a healthy and satisfying meal that doesn’t compromise on taste.

Essential Ingredient Notes for Success
Every great recipe begins with quality ingredients. Here’s a detailed look at what you’ll need to create this amazing garlic butter pork tenderloin, along with a few tips to ensure the best results. Full measurements can be found in the printable recipe card below.
- Unseasoned Boneless Pork Tenderloin: This is the star of our dish. Pork tenderloin typically comes in packages of two, weighing around 1 to 1.5 pounds each. It’s important to differentiate tenderloin from a pork loin roast; they are entirely different cuts of meat with varying cooking times and textures. Tenderloin is long, thin, and very lean, while a loin roast is thicker and wider. Ensure your tenderloin is unseasoned, as we will be adding our own blend of flavors.
- Beef Broth: The liquid base for our savory sauce. You can use either low-sodium or regular beef broth, depending on your dietary preferences. Chicken broth or vegetable broth can also be substituted if beef broth isn’t available, but beef broth offers a richer, deeper flavor profile that complements the pork exceptionally well.
- Garlic: Freshly minced garlic is highly recommended for its potent, aromatic flavor that truly stands out in the sauce. Aim for 3-4 cloves, finely minced. If fresh garlic isn’t an option, a jar of pre-minced garlic works in a pinch, though the flavor may be slightly less intense.
- Butter: This provides richness and helps create that luscious garlic butter sauce. Salted butter is what I typically use, but unsalted butter is perfectly fine, especially if you prefer to control the salt content precisely. If using unsalted butter, you might want to add a tiny bit more sea salt to taste.
- Spices: A simple yet effective blend of seasonings brings out the best in the pork.
- Sea Salt: Essential for enhancing all the other flavors.
- Garlic Powder & Onion Powder: These pantry staples add a foundational layer of savory, aromatic flavor that pairs beautifully with the fresh garlic.
- Ground Black Pepper: For a touch of warmth and mild spice.
- Dried Parsley: Adds a subtle herbal note and a pop of color. While dried is convenient, fresh parsley, chopped and added at the end, can elevate the dish with a brighter flavor.
How to Prepare Perfect Slow Cooker Pork Tenderloin
Making this garlic butter pork tenderloin is incredibly straightforward. Follow these simple steps for a truly delicious and tender meal:
- Step 1: Prepare the Pork. Carefully remove the pork tenderloin from its packaging. Using a sharp knife, trim off any visible excess fat and the silver skin. Silver skin is a thin, silvery membrane that doesn’t break down during cooking and can make the meat tough. To remove it, slide your knife just under one end of the silver skin, angle the blade slightly upwards, and slice along its length while holding the skin taut.
- Step 2: Prepare Your Slow Cooker. Lightly spray the inside of a 6-7 quart slow cooker with non-stick cooking spray to prevent sticking and make cleanup easier.
- Step 3: Add the Pork. Place the trimmed pork tenderloins (usually two per package) in a single layer at the bottom of the slow cooker.
- Step 4: Pour in Broth. Pour the beef broth over the pork tenderloins. This liquid will be the base for our delicious sauce and will keep the pork moist.
- Step 5: Season Generously. Evenly sprinkle the sea salt, garlic powder, onion powder, and ground black pepper over the pork tenderloins. Make sure to coat all sides for maximum flavor.
- Step 6: Add Garlic and Butter. Distribute the minced fresh garlic and pats of butter over the top of the seasoned tenderloins. The butter will melt down and combine with the broth and spices to create a rich, aromatic sauce.
- Step 7: Cook to Perfection. Cover your slow cooker with the lid. Cook the pork tenderloin on the HIGH setting for 1-2 hours, or on the LOW setting for 2-3 hours. The precise cooking time will vary depending on the size of your tenderloins and the specific model of your slow cooker. The pork is safely cooked when its internal temperature reaches at least 145°F (63°C) as measured with an instant-read thermometer. The USDA recommends 145°F followed by a 3-minute rest. If you prefer your pork more well-done, you can cook it slightly longer, but be mindful not to overcook and dry it out.




Serving Suggestions for a Complete Meal
This garlic butter pork tenderloin is incredibly versatile and pairs wonderfully with a variety of side dishes, making it easy to create a balanced and satisfying meal for your family. Here are some of our favorite recommendations:
- Creamy Mashed Potatoes: The ultimate classic pairing! The rich garlic butter sauce from the pork is divine when spooned over fluffy mashed potatoes, soaking up all the incredible flavor.
- Hearty Roasted Potatoes: For a more rustic touch, serve with golden brown roasted potatoes seasoned with herbs like rosemary or thyme. Their crisp exterior and tender interior provide a lovely textural contrast.
- Steamed Green Beans: Simple, fresh, and vibrant, steamed green beans offer a healthy crunch and a beautiful pop of color to the plate. Drizzle with a little extra sauce from the crock pot for added flavor.
- Roasted or Steamed Broccoli: Another excellent green vegetable choice, broccoli provides nutrients and a pleasant, slightly bitter counterpoint to the rich pork.
- Sweet Garden Peas: Quick-cooking peas are a family-friendly option that adds a touch of sweetness and greenery.
- Crusty Homemade Sourdough Bread: Don’t let a single drop of that incredible garlic butter sauce go to waste! A thick slice of homemade sourdough or any crusty bread is perfect for mopping up every last bit of flavor.
- A Simple Salad: For a lighter meal, a fresh green salad with a vinaigrette dressing can cut through the richness of the pork and provide a refreshing element.

Expert Recipe Tips for the Best Pork Tenderloin
To ensure your slow cooker pork tenderloin turns out perfectly tender and flavorful every single time, keep these expert tips in mind:
- Monitor Cooking Time: Pork tenderloin is a lean cut and cooks relatively quickly, even in a slow cooker. Begin checking the internal temperature after one hour if cooking on high, or after two hours if cooking on low. An instant-read thermometer is your best friend here. Aim for 145°F (63°C) for a perfectly cooked, juicy result, remembering it will continue to cook slightly as it rests. Overcooking can lead to dryness, so be vigilant!
- Cooking Time Varies: Keep in mind that slow cooker brands and models can differ significantly in how quickly they cook. The size and thickness of your pork tenderloins will also impact the total cooking time. Always refer to the internal temperature, not just the clock, for accuracy.
- The Resting Phase is Crucial: Once the pork reaches the desired internal temperature, remove it from the slow cooker and let it rest on a cutting board for at least 5-10 minutes before slicing. This allows the juices to redistribute throughout the meat, ensuring maximum tenderness and flavor.
- Slice and Serve in Sauce: For the most incredible flavor, after resting, slice the tenderloins into thick medallions and return them to the slow cooker to sit in the warm, delicious garlic butter sauce. This allows the pork to absorb even more of that amazing flavor before serving.
- Don’t Be Afraid to Adjust Seasonings: Taste the sauce before serving and adjust seasonings as needed. You might want a little more salt, pepper, or a pinch of fresh herbs.
- Trim Silver Skin: As mentioned in the instructions, don’t skip trimming the silver skin. This thin membrane won’t render during cooking and can make the tenderloin chewy.
Storage, Freezing, and Reheating
This garlic butter pork tenderloin is just as delicious as leftovers, making it perfect for meal planning throughout the week. Proper storage ensures both safety and flavor:
- Refrigeration: Store any leftover pork tenderloin and its accompanying sauce in an airtight container in your refrigerator for up to 3-4 days. This keeps the meat moist and prevents spoilage.
- Freezing: For longer storage, you can freeze leftovers for up to 3 months. Place the sliced pork and sauce in a freezer-safe airtight container or heavy-duty freezer bag. Thaw overnight in the refrigerator before reheating. Freezing is also a fantastic way to preserve the meat and juices to make a comforting soup later on.
- Reheating: Gently reheat leftover pork tenderloin on the stovetop over low heat, in the microwave, or in a preheated oven at 300°F (150°C) until warmed through. Add a splash of broth or water if the sauce seems too thick or the meat appears dry, to maintain moisture.
Frequently Asked Questions (FAQs)
- Can I use frozen pork tenderloin?
It’s generally not recommended to cook frozen meat directly in a slow cooker, especially for a cut as lean as tenderloin. For best results and food safety, always thaw pork tenderloin completely in the refrigerator before placing it in the slow cooker. This ensures even cooking and prevents the meat from sitting in the “danger zone” temperature for too long.
- What if I don’t have beef broth? Can I substitute it?
Yes, you can substitute beef broth with chicken broth or even vegetable broth. While beef broth provides the richest, most complementary flavor for pork, chicken broth is a close second. Vegetable broth will work but may result in a slightly lighter flavor profile. If you have neither, water with a bouillon cube or powder can be used as a last resort.
- Can I add vegetables to the slow cooker with the pork?
Absolutely! Adding vegetables can make this a complete one-pot meal. Harder vegetables like carrots, potatoes (cut into 1-inch pieces), or celery can be added along with the pork at the beginning of the cooking process. Softer vegetables like mushrooms, bell peppers, or green beans should be added during the last 30-60 minutes of cooking to prevent them from becoming too mushy.
- How can I thicken the sauce?
If you prefer a thicker sauce, you can easily achieve this after the pork is cooked. Remove the pork from the slow cooker. In a small bowl, whisk together 1 tablespoon of cornstarch with 2 tablespoons of cold water to create a slurry. Stir this slurry into the hot liquid in the slow cooker, turn the setting to high, and cook for another 15-30 minutes, or until the sauce has thickened to your desired consistency. Alternatively, you can transfer the liquid to a saucepan and simmer on the stovetop.
- Is pork tenderloin a healthy choice?
Yes, pork tenderloin is one of the leanest cuts of pork available, comparable to boneless, skinless chicken breast. It’s an excellent source of high-quality protein, B vitamins (especially thiamine), and minerals like phosphorus and zinc. When cooked with minimal added fats, it makes for a very healthy and nutritious meal.

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Garlic Butter Crock Pot Pork Tenderloin
Ingredients
- 2 pounds pork tenderloin boneless
- ½ cup beef broth
- 1 teaspoon sea salt
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- ½ teaspoon ground black pepper
- 3 cloves garlic minced
- 4 tablespoons butter
Instructions
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Trim any extra fat and silver skin from the pork.
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Spray a 6-7 quart slow cooker with non-stick cooking spray.
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Place tenderloins in the bottom of the crock pot.
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Add the beef broth.
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Sprinkle seasonings over the meat.
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Add minced garlic and butter on top of the tenderloins.
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Cover, and cook for 1-2 hours on high or 2-3 hours on low, or until internal temperature is at least 145℉ (63°C) according to an instant-read thermometer. Cooking times will vary with different sizes and brands of slow cookers.
Video
This easy crock pot pork tenderloin recipe uses a simple garlic butter sauce for the most delicious flavor. The meat is tender and juicy every time, making this easy weeknight meal a family favorite!
You can find a video demonstration of this recipe on our site.
Notes
Be careful not to overcook the pork tenderloin, as it can dry out. Start checking the internal temperature after 1 hour on high or 2 hours on low. While 145°F is the safe minimum, you can cook it slightly longer if you prefer it more well-done, to your liking.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
Additional Info
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