Mom's Best Recipes
Recipe

Crock Pot Pork Loin

Tender, sliceable slow cooker pork loin with garlic, herbs, and a simple gravy you can whisk up in minutes.

Author By Matt Campbell
4.8
A sliced crock pot pork loin on a cutting board with herb-speckled gravy drizzled over the top, warm kitchen lighting, simple weeknight dinner setting
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If you have ever had a pork loin come out dry and a little sad, this is your redemption arc. This crock pot pork loin is all about gentle heat, a bold rub, and just enough liquid to build a cozy gravy without turning your roast into soup.

It is the kind of meal that smells like you tried really hard, even if you did most of the work in about 15 minutes. I will show you how to keep it juicy, how to know when it is done, and how to turn the drippings into a gravy that makes you want to drag everything through it, including the spoon.

Raw pork loin roast surrounded by garlic, herbs, chicken broth, onion, and pantry spices on a bright kitchen counter

Why It Works

  • Juicy, sliceable pork: Pork loin is lean, so we cook it low and slow with enough moisture to protect it, then rest it properly before slicing.
  • Flavor that actually shows up: A garlic and herb rub plus onion in the pot gives you that roast-y depth without fancy ingredients.
  • Real gravy, no packet required: The cooking juices become a quick cornstarch slurry gravy right in the slow cooker.
  • Flexible timing: Works on low or high, and you can hold it on warm without wrecking the texture if you are smart about it.

Pairs Well With

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Storage Tips

Refrigerator: Store sliced pork loin in an airtight container for up to 4 days. Spoon a little gravy or cooking juice over the slices before sealing. Moisture insurance.

Freezer: Freeze in a freezer bag or container for up to 2 months. Freeze with a bit of gravy or broth to protect it from drying out.

Reheat: Warm gently. My favorite is a covered skillet with a splash of broth over low heat, or the microwave at 50 to 70 percent power with a spoonful of gravy on top. Stop as soon as it is hot. Pork loin gets stubborn if you overdo it.

Sliced leftover pork loin in a glass meal prep container with gravy, placed on a kitchen counter

Common Questions

Is pork loin the same as pork tenderloin?

Nope, and mixing them up is how kitchens get chaotic in the wrong way. Pork loin is larger and more roast-like. Pork tenderloin is smaller, extra tender, and cooks faster. This recipe is written for pork loin (about 2.5 to 4 pounds).

Do I need to sear the pork loin first?

It is optional, but recommended if you have 5 extra minutes and want deeper flavor. Searing adds a browned crust that tastes like you did a lot. If you skip it, the rub still carries the dish.

How do I know the pork loin is done in the crock pot?

Use a meat thermometer. Pull it when the thickest part hits 145°F, then rest 10 to 15 minutes. It will usually climb a few degrees as it rests (carryover cooking). That rest is not a suggestion, it is the difference between juicy slices and dry ones.

Why did my pork loin turn out dry?

Usually one of three things: it cooked too long, it cooked too hot, or it got sliced immediately. Pork loin is lean, so it does not forgive. Aim for 145°F, cook on low when you can, and always rest before slicing.

Can I add potatoes and carrots?

Yes. Put chunked potatoes and thick carrot pieces on the bottom, then set the pork on top. Keep the lid closed and check doneness with a thermometer. Veggies can slow the cook time slightly.

Can I make this gravy gluten-free?

Yes. This gravy uses cornstarch, which is naturally gluten-free. Double check your broth for gluten or cross-contamination, and note that Worcestershire sauce is brand-dependent, so read the label if you use it.

I love restaurant food, but I also love the home-cooking magic trick where you do almost nothing and still get a “wait, you made this?” reaction. Pork loin in the crock pot is that trick for me. I started making it when I was chasing practical skills over classroom perfection, and it taught me something I still lean on: nail the basics, taste as you go, and let time do the heavy lifting.

Also, I am not above building a whole dinner around gravy. If there is a bowl of it on the table, suddenly everyone is very polite and very quiet.