Korean Pork Ribs Recipe Slow Cooker: Fall-Off-The-Bone Sweet and Spicy

I developed this slow cooker method after years of experimenting with traditional Korean marinades in my tiny Boston kitchen. The secret lies in the balance of sweet and spicy flavors that transform tough ribs into fall-off-the-bone perfection without constant attention.

This approach uses a 4-hour low cook time to let the ribs absorb the gochujang-based sauce completely. The slow cooker’s steady heat ensures the meat becomes incredibly tender while the sauce reduces into a glossy, finger-licking glaze.

What emerges is ribs so tender they nearly dissolve at the touch, coated in a sticky-sweet sauce with just enough heat. The aroma alone will have everyone gathered around the kitchen before dinner is ready.

Serve with steamed rice to soak up every last bit of that savory-sweet sauce. This is Korean BBQ made effortless.

Ingredients for Korean Pork Ribs Recipe Slow Cooker

Sweet, spicy, and sticky—these ribs need just a handful of bold ingredients.

The gochujang is non-negotiable here. H Mart or any Asian grocery will have it, usually near the other sauces. Look for the tub with the bright red label—Sempio or CJ are solid brands. Baby back ribs stay tender during the long cook (the good stuff, not the pre-cooked kind). I grab mine from Costco when they’re on sale, but any butcher can cut them for you. The marinade soaks in best if you don’t skip the ginger—fresh is ideal, but jarred works in a pinch.

No gochujang? Sriracha plus miso paste gets you close (use 2 tbsp miso and 3 tbsp sriracha). Brown sugar can be swapped for maple syrup or coconut sugar if that’s what you’ve got. The soy sauce should be low-sodium—Kikkoman is my go-to. If you’re out of rice vinegar, apple cider vinegar works too (half the amount). For a quicker version, use pre-cut rib tips instead of full racks.

Ribs can sit in the marinade overnight if you prep ahead—flavor only gets better. Store leftovers in the fridge for up to 4 days or freeze for 3 months. I like to save the sauce in a jar (it’s great on rice or veggies later).

Step-by-Step Instructions for Korean Pork Ribs Slow Cooker

Here’s how to make these ribs tender and packed with flavor without any fuss.

Step 1: Prepare the Ribs and Aromatics

Cut the 3 lb Pork Baby Back Ribs into individual ribs if not already separated. I like to trim off any excess fat for a cleaner finish. Finely chop the 1 whole Onion and mince the 6 cloves Garlic Cloves. Grate the 1 tbsp Fresh Ginger—this adds a bright, zesty kick to the sauce.

This prep work ensures all the flavors meld together beautifully during the slow cooking process. Don’t rush this step; evenly sized pieces cook more uniformly and make for better presentation.

Step 2: Build the Sweet and Spicy Sauce

In a large bowl, whisk together the 0.5 cup Gochujang, 0.5 cup Soy Sauce, 0.5 cup Brown Sugar, 0.25 cup Honey, and 0.25 cup Rice Vinegar. Add the minced garlic, grated ginger, 1 tbsp Sesame Oil, and 0.5 tsp Black Pepper. Stir until the mixture is smooth and the brown sugar fully dissolves.

Taste the sauce now—you should get a perfect balance of sweet, spicy, and tangy. Adjust with a touch more honey if you prefer it sweeter, but remember the flavors will concentrate as it cooks.

Step 3: Slow Cook to Fall-Off-The-Bone Tenderness

Place the ribs in the slow cooker and pour the sauce over them, making sure each piece is well coated. Cover and cook on low heat for 6-7 hours or on high heat for 3-4 hours. The ribs are done when the meat pulls away from the bone with minimal resistance.

Halfway through cooking, I like to give the ribs a gentle stir to redistribute them in the sauce. This prevents any pieces from drying out on top. You’ll know it’s working when the kitchen fills with an irresistible aroma.

Step 4: Finish and Serve with Garnishes

Once the ribs are tender, transfer them to a serving platter. Spoon some of the cooking sauce over the top for extra flavor. Slice the 4 pieces Green Onions and sprinkle them over the ribs along with the 1 tbsp Sesame Seeds.

Serve immediately with 2 cups Steamed Rice to soak up the incredible sauce. The ribs should be so tender that they practically fall apart at the touch of a fork, with a glossy, finger-licking sauce clinging to each piece.

Troubleshooting Great korean pork ribs recipe slow cooker

Sauce Too Thin

If your sauce isn’t thickening, remove the lid and switch to high heat for the last 30-45 minutes. The uncovered cook time allows excess liquid to evaporate. I often add a cornstarch slurry (1 tbsp cornstarch + 1 tbsp water) to speed up the process. 💡

Ribs Not Tender

Undercooked ribs need more time. Extend cooking by 1-2 hours on low heat with the lid secure. Check every 30 minutes until meat pulls away easily. In my Boston kitchen, I’ve found baby back ribs typically need the full 7 hours on low.

Overly Spicy

Balance heat by stirring in 2 tbsp honey or 1 tbsp brown sugar mid-cook. The sweetness will mellow the gochujang’s fire without diluting flavor. I learned this trick after accidentally adding double the chili paste once.

Sauce Too Salty

Add ¼ cup water or unsalted chicken broth to dilute. A splash of rice vinegar (1 tbsp) can also help balance the saltiness. Taste and adjust gradually—you can always add but can’t remove.

Dry Ribs

Prevent dryness by ensuring ribs are fully submerged in sauce. If needed, add ½ cup water or broth during cooking. For ribs already cooked, brush with extra sauce before serving and cover with foil for 5 minutes to rehydrate.

Slow Cooker Overflows

Never fill your slow cooker more than ⅔ full. For this recipe, a 6-quart slow cooker is ideal. If yours is smaller, reduce the rib quantity by 1 lb and adjust sauce proportions accordingly. I use my Crock-Pot 6-Quart without issues.

Frequently Asked Questions