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Slow Cooker Korean Beef Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.8 from 89 reviews
  • Author: Paula
  • Prep Time: 15 minutes
  • Cook Time: 8 hours 30 minutes
  • Total Time: 8 hours 45 minutes
  • Yield: 6 servings
  • Category: Main Course
  • Method: Slow Cooking
  • Cuisine: Korean

Description

This Slow Cooker Korean Beef recipe offers tender, flavorful beef simmered slowly in a sweet and savory sauce enriched with garlic, ginger, and sesame oil. Perfect for an effortless weeknight dinner, this dish combines the rich umami of soy sauce and the subtle heat of red chili flakes, thickened to perfection with a cornstarch slurry, delivering a deliciously satisfying meal.


Ingredients

Units Scale

Main Ingredients

  • 1 onion, diced
  • 3 tsp garlic, crushed
  • 2 tsp ginger, minced
  • 1 Tbsp rice wine vinegar
  • 2 Tbsp sesame oil
  • 1/2 cup soy sauce
  • 1/2 cup beef stock
  • 1/2 cup brown sugar
  • 1/4 tsp red chili flakes
  • 1kg (2.2 lb) chuck beef, cut into bite-sized cubes

Thickener

  • 3 Tbsp cornstarch
  • 3 Tbsp water

Instructions

  1. Combine Flavor Base: In a slow cooker, add the diced onion, crushed garlic, minced ginger, rice wine vinegar, sesame oil, soy sauce, beef stock, brown sugar, and red chili flakes. Stir well to combine all the ingredients thoroughly, creating the flavorful sauce base.
  2. Add Beef: Place the bite-sized chuck beef cubes into the slow cooker and toss them in the sauce to ensure each piece is well coated with the marinade and flavor base.
  3. Slow Cook Beef: Cover the slow cooker and cook on low heat for 8 hours. This slow cooking process will tenderize the beef and infuse it with the rich Korean-inspired sauce flavors until the beef becomes melt-in-your-mouth tender.
  4. Prepare Thickener: In a small bowl, mix the cornstarch and water together until it forms a smooth paste without lumps, which will be used to thicken the cooking sauce.
  5. Thicken Sauce: Pour the cornstarch slurry into the slow cooker and stir well to incorporate it evenly into the beef and sauce. Increase the slow cooker heat setting to high and cook for an additional 30 minutes, allowing the sauce to thicken and cling beautifully to the beef.
  6. Serve and Enjoy: Once the sauce has thickened to your liking, serve the Korean beef hot, ideally over steamed rice or noodles, and enjoy this comforting and flavorful meal.

Notes

  • For extra depth of flavor, consider adding a splash of toasted sesame seeds or chopped green onions as garnish before serving.
  • If you prefer a spicier dish, increase the red chili flakes according to your heat tolerance.
  • This recipe can be prepared a day ahead as the flavors develop even more after resting overnight in the refrigerator.
  • Use low sodium soy sauce if you want to reduce the salt content.
  • Leftover Korean beef can be stored in an airtight container in the refrigerator for up to 3 days.