Mississippi Pork Loin Crock Pot Recipe: Pepperoncini-Infused Slow-Cooked Succulence

This slow-cooker method transforms a humble pork loin into something extraordinary. The secret lies in the simple combination of pepperoncini peppers and their briny juice, which work their magic over 6 to 8 hours of low, steady cooking.

What emerges is tender, pull-apart meat infused with a tangy, slightly spicy depth that’s impossible to resist. The pork absorbs every bit of flavor, while the peppers soften into melt-in-your-mouth bites.

With almost no hands-on time, you’ll achieve a dish that tastes like it simmered all day—which, of course, it did. It’s the kind of meal that makes your kitchen smell like a Southern pitmaster’s dream.

Serve it on buns, over rice, or straight from the pot. This is set-it-and-forget-it cooking at its finest.

Ingredients for Mississippi Pork Loin Crock Pot

Pantry staples and a pork loin are all you need for this melt-in-your-mouth dish.

The pork loin is the star here. Look for boneless, center-cut at your grocery store—Costco has great deals on large pieces you can portion yourself. The pepperoncini peppers are usually near the pickles; Mezzetta is a solid brand. Don’t drain the jar—that briny juice is liquid gold for this recipe. Fresh pork should be pale pink, not gray, with minimal fat marbling.

No ranch packets? Make your own with dried dill, parsley, garlic powder, and onion powder. Same for the au jus—beef bouillon plus a pinch of cornstarch works in a pinch. Out of pepperoncini? Banana peppers are a close second. The butter can be salted if that’s what you have (just ease up on the added salt). Trader Joe’s has great pre-minced garlic if you’re short on time.

This tastes even better the next day. Store leftovers in the fridge for up to 4 days or freeze for 3 months. The pork shreds easily, so it’s perfect for meal prep—portion into containers for sandwiches, tacos, or rice bowls all week.

Step-by-Step Instructions for Mississippi Pork Loin Crock Pot

Here’s the simple method that delivers tender, flavor-packed pork every time.

Step 1: Season and Sear the Pork Loin

Pat the 2 lb Pork Loin dry with paper towels, then rub it with the 1 tsp Kosher Salt and 0.5 tsp Black Pepper. Heat a large skillet over medium-high heat and add 0.5 cup Unsalted Butter until melted and foaming.

Sear the pork loin on all sides for 2-3 minutes per side until golden brown. This step locks in juices and adds depth to the final dish. Transfer the seared pork to the slow cooker.

Step 2: Layer Aromatics and Seasonings

To the slow cooker, add the 1 whole Yellow Onion (thinly sliced) and 4 cloves Garlic Cloves around the pork. Sprinkle the 1 package Ranch Seasoning Mix, 1 package Au Jus Gravy Mix, 1 tsp Dried Thyme, and 1 tsp Dried Rosemary over the top.

These dry seasonings will dissolve as the pork cooks, infusing every bite with savory complexity. The onions and garlic will soften into the sauce, adding natural sweetness.

Step 3: Add Liquids and Pepperoncini

Pour in the 0.5 cup Chicken Broth, 1 tbsp Worcestershire Sauce, and 16 oz Pepperoncini Peppers (with their juice). The liquid should come about halfway up the pork—this ensures even cooking without diluting the flavors.

Gently stir the liquids to help dissolve the seasoning mixes, but don’t disturb the pork. The pepperoncini will soften as they cook, releasing their tangy, slightly spicy essence into the sauce.

Step 4: Slow Cook to Perfection

Cover and cook on low for 6-8 hours or high for 4-5 hours. The pork is done when it shreds easily with a fork and reaches an internal temperature of 195-200°F.

Resist the urge to lift the lid during cooking—the trapped steam is what makes this dish so tender. You’ll know it’s ready when the pork nearly falls apart at the touch and the sauce has thickened slightly.

Step 5: Rest and Serve

Turn off the slow cooker and let the pork rest in the juices for 15-20 minutes. This allows the meat to reabsorb some of the cooking liquid, ensuring it stays moist when served.

Use two forks to shred the pork directly in the slow cooker, mixing it with the onions, pepperoncini, and sauce. The meat should be tender enough to pull apart with minimal effort, and the sauce should cling beautifully to every shred.

Dietary Considerations for These Flavors

Gluten-Free Friendly

This dish is naturally gluten-free as written, since the ranch and au jus seasoning packets are typically free from wheat. However, always check labels—some brands like Hidden Valley or McCormick offer certified gluten-free versions. The pepperoncini and other ingredients pose no gluten concerns. 💪

Lower Sodium Option

To reduce sodium, opt for low-sodium chicken broth and skip the added 1 tsp Kosher Salt. The ranch and au jus packets are salty, so taste before adding extra. You can also rinse the pepperoncini under cold water to remove some brine.

Dairy-Free Adaptation

Replace the 0.5 cup Unsalted Butter with olive oil or a dairy-free butter like Miyoko’s. The texture won’t change, but the flavor will be slightly more savory than rich. I’ve tried both with great results.

Keto and Low-Carb

This recipe fits perfectly into keto diets with 0 net carbs from the pork and minimal carbs from the peppers. Skip the bun and serve over cauliflower rice or in lettuce wraps. The natural fats keep it satisfying. 🌟

Pescatarian Alternative

For a seafood twist, swap the pork loin for 2 lbs firm white fish like cod or halibut. Reduce cooking time to 2-3 hours on low. The pepperoncini and seasonings work beautifully with fish too.

Lactose Intolerance

If you’re lactose intolerant but not fully dairy-free, use lactose-free butter like Lactaid. The small amount in this dish typically doesn’t cause issues for most lactose-sensitive people.

Frequently Asked Questions