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Dinner · Part 2 of 3: Instructions

Easy Slow Cooker Korean BBQ Chicken Thighs Step-by-step instructions

A close-up of glossy, tender Korean BBQ chicken thighs served on a white plate with a dark, savory glaze.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before beginning, ensure your slow cooker is clean and placed on a flat, heat-resistant surface away from any edges. Gather all your ingredients, measuring out the soy sauce, brown sugar, and chili garlic sauce ahead of time to make the assembly process seamless.

If you are using frozen chicken, ensure it is fully thawed in the refrigerator before adding it to the cooker to maintain food safety standards. Having everything prepared before you start ensures that the setup takes only a few minutes, allowing you to get the meal started quickly.

Ingredients at a glance (4)
  • 2 lb chicken thighs, skinless and boneless
  • 2 tbsp chili garlic sauce
  • 1/4 cup brown sugar
  • 1/2 cup soy sauce

Instructions

Assembling the ingredients

  1. Prepare the slow cooker
    Place the raw chicken thighs into the bottom of the slow cooker basin in an even layer. Ensure the meat is arranged to allow for even heat distribution during the cooking process.
    Look for chicken thighs arranged in one layer
    Tip Pat the chicken dry with paper towels before adding to the cooker to improve the sauce adherence.

At the end of this phase, the chicken thighs should be neatly arranged in the bottom of the slow cooker basin. The aromatics and liquids are added on top, creating a layered foundation. Check that the chicken is evenly spaced and that the sauce ingredients have been added in the correct order to ensure they combine properly as the unit heats up.

The slow braising process

  1. Add aromatics and seasonings
    Add the chili garlic sauce directly onto the chicken thighs. Sprinkle the brown sugar evenly over the top, then pour the soy sauce over all the ingredients to create the braising liquid base.
    Look for sugar and sauce distributed over the meat
    Tip Do not stir the contents; allow the sauce to settle around the chicken as it cooks.

During the cooking phase, the slow cooker maintains a low, steady temperature. You should notice a pleasant, savory aroma beginning to fill the kitchen as the soy sauce, sugar, and chili garlic sauce meld with the chicken.

There is no need to interact with the cooker; let the process run its course until the chicken is fully tender and the sauce has reduced to a perfect consistency.

Final resting and serving

  1. Cook and serve
    Cover and cook on low for 4 hours until the chicken reaches an internal temperature of 165°F (74°C). Once cooked, let the chicken rest for 5 minutes before serving to ensure the juices redistribute throughout the meat.
    Look for chicken is tender and internal temperature reaches 165°F
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Use a digital meat thermometer to confirm the chicken is cooked safely.

Once the cooking cycle finishes, the chicken should be glossy, tender, and coated in a rich, dark sauce. The meat should be easily pierced with a fork, indicating it is fully cooked. After the required 5-minute rest, the juices will have settled, making the chicken ready to be served over rice or vegetables while still steaming hot.

Common mistakes

A common mistake is overcrowding the slow cooker, which can lead to uneven cooking and prevent the sauce from properly glazing the meat. Always arrange the thighs in a single layer for the best results.

Another error is lifting the lid too frequently during the cooking cycle; each time the lid is removed, heat escapes, extending the cooking time and potentially drying out the meat. Finally, do not add extra water or broth to the mixture unless specified, as the chicken will release plenty of moisture on its own, which would only dilute the flavors.

How to tell it’s done

The chicken is perfectly cooked when it is fork-tender and pulls apart easily with minimal effort. Using a digital meat thermometer is the most reliable way to check for doneness; insert the probe into the thickest part of the thigh, ensuring it does not touch any bone.

The internal temperature must reach at least 165°F (74°C) to be considered safe for consumption. Once this temperature is reached, allow the meat to rest for at least 5 minutes, as this helps the juices redistribute, resulting in a more succulent final dish.

  • Poultry: 165°F (74°C) in the thickest part

Coming up in Part 3: common questions

  • Can this be made ahead of time?
  • Why is it important to use chicken thighs?
  • Can this be frozen?

Also in Part 3: variations (Spicy Korean Chicken, Honey Garlic Version), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)