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I’ll never forget the first time I made this recipe. My husband walked into the kitchen, took one whiff, and asked if his grandmother had somehow snuck into our house and started cooking. That’s the power of this Old South Coca-Cola pork loin. It’s one of those recipes that makes your entire house smell like Sunday dinner at grandma’s, even if it’s a random Tuesday night.

Here’s the thing about this recipe. When I first heard about using Coca-Cola in pork, I thought it sounded completely bonkers. Soda? In my main dish? But then I remembered that Southern cooks have been using Coke in everything from baked beans to barbecue sauce for generations. There’s actual science behind it. The acidity helps tenderize the meat while the sugar creates this incredible caramelized crust that you just can’t get any other way.

Essential Ingredients

• 3-4 pound pork loin roast
• 2 cups Coca-Cola (the real stuff, not diet)
• 1 cup ketchup
• 1/2 cup brown sugar
• 2 tablespoons Worcestershire sauce
• 1 tablespoon apple cider vinegar
• 2 teaspoons garlic powder
• 1 teaspoon onion powder
• 1 teaspoon smoked paprika
• 1/2 teaspoon black pepper
• 1/2 teaspoon salt
• 2 tablespoons olive oil

Alternative Ingredients

Don’t have Coca-Cola? You can use Dr. Pepper or even root beer, though the flavor will be different. I’ve tried Pepsi and honestly, Coke works better because of the specific flavor profile. For the ketchup, any brand works, but I prefer Heinz. If you want to make this less sweet, cut the brown sugar down to 1/4 cup, but I’m warning you, you’ll miss that sticky glaze.

You can swap the pork loin for a pork tenderloin, but reduce your cooking time by about 30 minutes since tenderloin is much smaller and cooks faster. Some folks like adding sliced onions to the slow cooker, and honestly, that’s a great addition if you want more vegetables.

Step-by-Step Directions

Step 1: Prep Your Pork Pat the pork loin completely dry with paper towels. This is important because you want that good sear. Season all sides with salt, pepper, garlic powder, and onion powder. Don’t skip this step. I learned the hard way that seasoning just the top doesn’t cut it.

Step 2: Sear the Meat Heat olive oil in a cast iron skillet or heavy pan over medium-high heat. Sear the pork loin on all sides until you get a nice brown crust, about 3-4 minutes per side. If you’re using a slow cooker, you can do this right in the Crock-Pot insert if it’s stovetop-safe. Otherwise, transfer to your slow cooker after searing.

Step 3: Make the Sauce In a medium bowl, whisk together the Coca-Cola, ketchup, brown sugar, Worcestershire sauce, apple cider vinegar, and smoked paprika. The first time I made this, I dumped everything straight into the slow cooker without mixing. Big mistake. The brown sugar clumped up at the bottom and didn’t dissolve properly.

Step 4: Slow Cook Pour the sauce over the seared pork loin. Cover and cook on low for 6-7 hours or high for 3-4 hours. The pork is done when it reaches an internal temperature of 145°F on a meat thermometer. I always check because overcooked pork loin is basically cardboard, and nobody wants that.

Step 5: Create the Glaze Once the pork is cooked, remove it from the slow cooker and tent it with foil. Pour the cooking liquid into a saucepan and bring it to a boil. Reduce heat and simmer for 15-20 minutes until it thickens into a glaze. You want it thick enough to coat the back of a spoon.

Step 6: Slice and Serve Slice the pork loin into 1/2-inch thick pieces. Drizzle that gorgeous glaze over the top and serve immediately.

Pro Tips

The biggest mistake I see people make is cooking pork loin too long. Even in a slow cooker, you can overcook it. Use a meat thermometer and pull it at 145°F. It’ll stay juicy and perfect.

If you want to use an Instant Pot instead, sear the meat using the sauté function, then pressure cook on high for 25 minutes with natural release. The texture is slightly different but still delicious.

For meal prep, this pork loin is fantastic. I slice it up and store it in meal prep containers with some of the sauce. It reheats beautifully in the microwave, and the slices are perfect for sandwiches or serving over rice throughout the week.

Want to make this fancy? Add it to your Sunday meal prep routine. One pork loin gives you protein for at least 4-5 lunches, which saves both time and money compared to buying lunch every day.

Recipe Info

Detail	Time/Amount
Prep Time	15 minutes
Cook Time	6-7 hours (low) or 3-4 hours (high)
Total Time	6.5-7.5 hours
Servings	8-10
Yield	One 3-4 pound pork loin

Why You’ll Love This Recipe

This is comfort food at its finest. The pork comes out tender enough to cut with a fork, and that Coca-Cola glaze is sweet, tangy, and slightly smoky all at once. It’s the kind of recipe you can start in your slow cooker in the morning and come home to dinner that smells like you spent all day cooking.

Plus, it’s one of those recipes that looks way more complicated than it actually is. Your family or dinner guests will think you slaved over the stove when really, the slow cooker did all the work.

What Makes This Recipe Unique

The Coca-Cola is what sets this apart from regular pork roast recipes. The soda creates this incredible depth of flavor that you just can’t replicate with other ingredients. The carbonation helps tenderize the meat while cooking, and the sugar caramelizes during the final reduction to create that sticky-sweet glaze that everyone fights over.

I’ve tried this recipe in a Dutch oven and in a roasting pan in the oven, but honestly, the slow cooker version comes out the most tender. There’s something about that low and slow cooking method that just works perfectly with pork loin.

Key Features

• Perfect for Sunday dinner or meal prep
• Incredibly tender and juicy pork
• Sweet and tangy Coca-Cola glaze
• Minimal hands-on time
• Makes amazing leftovers
• Budget-friendly (pork loin is often on sale)
• Kid-approved flavor

Nutrition Facts (Per Serving)

Nutrient	Amount
Calories	285
Protein	32g
Carbohydrates	22g
Sugars	20g
Fat	8g
Saturated Fat	2.5g
Cholesterol	80mg
Sodium	420mg
Fiber	0g

Note: Nutrition facts are approximate and based on 10 servings

Frequently Asked Questions

Can I use diet Coke? Technically yes, but I don’t recommend it. The sugar in regular Coke is essential for creating that caramelized glaze. Diet versions just don’t work the same way.

How do I know when the pork is done? Use a meat thermometer and check for an internal temperature of 145°F. This is the USDA recommended safe temperature for pork, and it keeps the meat juicy instead of dry.

Can I make this ahead? Absolutely. Cook the pork completely, let it cool, then refrigerate in meal prep containers with the sauce. Reheat gently in the microwave or oven.

What should I serve with this? Mashed potatoes, roasted vegetables, coleslaw, or rice all work great. The glaze is so flavorful that simple sides are perfect.

Will this work with pork chops? You can try it, but adjust the cooking time to about 4 hours on low. Pork chops are much thinner and will cook faster than a whole loin.

You’ll Also Love

If you enjoyed this Old South Coca-Cola Pork Loin, you’ll want to try my Slow Cooker Brown Sugar Pork Chops or my Southern-Style Pulled Pork. For more Southern classics, check out my Country-Style Pork Ribs recipe.

Conclusion

This Old South Coca-Cola pork loin has become one of my go-to recipes when I want something that tastes incredible but doesn’t require me to babysit the stove. The combination of tender pork and that sweet, sticky glaze is pure Southern comfort food magic.

Whether you’re making it for Sunday dinner, meal prepping for the week, or bringing it to a potluck, this recipe always gets rave reviews. And the best part? It’s so easy that even if you’re new to cooking pork, you’ll nail it on the first try.

Give this recipe a shot next time you’re craving something hearty and delicious. Your slow cooker (and your taste buds) will thank you.

Looking for more easy slow cooker recipes? Check out my complete guide to slow cooker cooking techniques and tips for getting the most out of your Crock-Pot.