Mississippi Slow Cooker Pork Tenderloin

1. Introduction

Okay, so if you haven’t jumped on the Mississippi pork tenderloin train yet, buckle up, because this one’s about to become your new favorite “I don’t feel like cooking but still want something amazing” dinner. It’s the same magic as the famous Mississippi pot roast (you know, the one that broke the internet a few years back), but made with pork tenderloin instead of chuck roast — which means it cooks up leaner, faster, and just as fall-apart tender.

Here’s the deal: you toss a handful of pantry staples into your slow cooker — ranch seasoning, au jus mix, pepperoncini peppers, and a stick of butter (yes, really) — and let the crockpot do all the heavy lifting. Hours later, you’re pulling out pork so tender it practically shreds itself, swimming in a tangy, buttery, slightly spicy gravy that you’ll want to put on literally everything. It’s the kind of recipe that tastes like you spent all day slaving in the kitchen, but really you spent about ten minutes of actual effort. Weeknight dinner win? Absolutely.

2. Ingredients

Here’s everything you’ll need to make this happen. Exact measurements matter here, especially with the seasoning packets, so try not to eyeball it too much.

• 2 lbs pork tenderloin (not pork loin — they’re different cuts, and tenderloin cooks up more tender for this recipe)
• 1 packet (1 oz) ranch seasoning mix (Hidden Valley is the classic go-to)
• 1 packet (1 oz) au jus gravy mix (McCormick makes a reliable one)
• 1/2 cup (1 stick) unsalted butter, sliced into pats
• 8–10 pepperoncini peppers, plus 1/4 cup of the pepperoncini brine from the jar
• 1/2 teaspoon black pepper
• 1/4 teaspoon garlic powder (optional, but adds a nice depth)
• 1 tablespoon cornstarch + 1 tablespoon water (optional, for thickening the gravy at the end)

A quick note on brands: the seasoning packets really do make this recipe, so don’t skip them or swap for a “make your own ranch seasoning” blend if you can help it — the balance of herbs and salt is part of what makes the sauce taste so distinctly “Mississippi.”

3. Essential Kitchen Tools & Appliances

Before you start tossing things in, here’s what you’ll want within reach:

• Slow cooker / crockpot (a 6-quart size works great for this)
• Cutting board
• Sharp chef’s knife (for trimming the tenderloin and slicing pepperoncini if needed)
• Measuring spoons
• Small mixing bowl (for the cornstarch slurry, if using)
• Meat thermometer (helpful for checking doneness, though the slow cooker makes this pretty forgiving)
• Tongs or two forks (for shredding or pulling the pork at the end)
• Small saucepan (optional, if you want to reduce the gravy separately)

4. Cooking Timing and Preparation Steps

Let’s break this down nice and simple:

1. Trim the pork tenderloin. Pat it dry with paper towels and trim off any excess silver skin or fat. This takes maybe 2–3 minutes but makes a noticeable difference in texture.
2. Place the pork in the slow cooker. Lay it right in the bottom of the crock — no need to sear it first, though you can if you want an extra layer of flavor (totally optional step, adds about 5 minutes).
3. Sprinkle on the seasoning packets. Evenly distribute both the ranch seasoning and the au jus mix directly over the top of the pork.
4. Add the butter. Place the pats of butter evenly across the top of the tenderloin.
5. Add the pepperoncini and brine. Scatter the peppers around the pork and pour the brine over everything.
6. Prep time total: about 10 minutes, start to finish. That’s it — the slow cooker takes it from here.

5. Cooking/Baking Instructions

Now for the easy part:

1. Cover and cook on LOW for 6–7 hours, or on HIGH for 3–4 hours, until the pork is fork-tender and reaches an internal temperature of at least 145°F (though most people cook it a bit past that for shreddable texture, closer to 190–200°F if you want pulled-pork style).
2. Check midway through (if you’re around) and spoon some of the liquid over the top — this keeps the meat basted in all that buttery, tangy goodness.
3. Once done, remove the pork and either slice it into medallions or shred it with two forks, depending on how you want to serve it.
4. Thicken the gravy (optional): If you like a thicker sauce, whisk together 1 tablespoon cornstarch with 1 tablespoon cold water, stir it into the slow cooker liquid, and let it sit on HIGH for another 10–15 minutes until it thickens up.

Secret tip: Don’t drain any of that liquid before serving — it’s liquid gold. Spoon it generously over the pork right before you plate it up.

6. Serving Suggestions

This pork is incredibly versatile, so have fun with it:

• Serve it over mashed potatoes or buttered egg noodles so the gravy has something to soak into.
• Pile it onto soft rolls for a Mississippi pork sandwich (add a slice of provolone and broil for 2 minutes for a next-level version).
• Serve alongside roasted green beans or a simple side salad to balance out the richness.
• Garnish with a sprinkle of fresh parsley or a few extra sliced pepperoncini for a pop of color and tang.

7. Additional Tips

• Want it spicier? Add a couple extra pepperoncini or a splash of the hot pepper brine.
• Lower sodium option? Look for a low-sodium ranch and au jus mix, since the packets bring a good amount of salt.
• Gluten-free? Double-check your au jus packet — some brands use wheat as a thickener, but there are gluten-free versions available.
• Want extra flavor depth? Add a splash of Worcestershire sauce or a few cloves of minced garlic before cooking.
• Meal prep friendly: This freezes beautifully. Shred and store in an airtight container with some of the gravy for up to 3 months.

8. Nutrition Details

Approximate values per serving (based on 6 servings):

Note: Nutrition values are estimates and will vary based on specific brands and portion sizes used.

9. FAQ Section

Can I use pork loin instead of pork tenderloin? You can, but keep in mind pork loin is a larger, leaner cut that may need a bit more cooking time to become tender. Tenderloin is naturally more forgiving for this fast-cooking method.

How do I store leftovers? Store in an airtight container in the fridge for up to 4 days. Reheat gently on the stovetop or in the microwave with a splash of the reserved gravy to keep it moist.

Can I make this healthier? Yes — use less butter (a couple tablespoons instead of a whole stick) and opt for a reduced-sodium seasoning packet. The flavor will be slightly milder but still delicious.

What if I don’t have a slow cooker? You can make this in a Dutch oven at 300°F for about 2.5–3 hours, covered, checking occasionally for tenderness.

Can I freeze this dish? Definitely. Shred the pork, store it with some sauce in a freezer-safe container, and it’ll keep well for up to 3 months.

10. Wrap-Up

And there you have it — Mississippi Slow Cooker Pork Tenderloin, proof that some of the best meals come from the least amount of effort. It’s tangy, buttery, a little spicy, and endlessly versatile, whether you’re piling it onto mashed potatoes or stuffing it into a sandwich roll.

Fun fact: the original “Mississippi” recipe (the pot roast version) is said to have been created by a home cook in Mississippi back in the 1990s, and it spread almost entirely by word of mouth (and eventually, the internet) because it was just that good. This pork tenderloin spin keeps that same cult-favorite magic alive, just in a slightly lighter, quicker package. Give it a try this week — your slow cooker (and your dinner table) will thank you.