Slow Cooker Korean Beef

Prep Time 10 minutes
Cook Time 4 hours
Total Time 4 hours 10 minutes
Author Alyssa Rivers
Servings 4 Servings
Print Review

Amazing and flavorful beef that slow cooks to tender melt in your mouth perfection! This will be one of the best meals that you will make!

Course Dinner, Main Course
Cuisine American, Asian American


  • 1 ½ pounds Flank Steak
  • ¼ cups cornstarch
  • 2 tablespoons Sesame Oil
  • ½ teaspoons mince Garlic Cloves
  • 1/2 cups Soy Sauce
  • 1/2 cup beef broth
  • ¾ cups Brown Sugar
  • 1/4 cup onion chopped
  • 1/4 teaspoon red pepper flakes
  • sesame seeds and green onions for garnish


  1. Cut flank steak into thin strips. In a ziplock bag add flank steak pieces and cornstarch. Shake to coat.
  2. Add sesame oil, minced garlic, soy sauce, beef broth, brown sugar, onion, and red pepper flakes to the slow cooker. Stir ingredients. Add coated flank steak and stir again until coated in the sauce.
  3. Cook for high 2-3 hours or on low 4-5 hours until cooked throughout and tender. Can serve over rice and garnish with green onions.

Recipe Notes

Alyssa Also Recommends:

Want to make this even easier? Here are a few products that I LOVE:

•Instant Pot
•Crock-Pot Cook & Carry
•Utopia Kitchen Cooking Knives

Nutrition Facts
Slow Cooker Korean Beef
Amount Per Serving
Calories 507 Calories from Fat 144
% Daily Value*
Fat 16g25%
Saturated Fat 5g25%
Cholesterol 102mg34%
Sodium 1836mg77%
Potassium 727mg21%
Carbohydrates 51g17%
Fiber 1g4%
Sugar 41g46%
Protein 40g80%
Vitamin A 37IU1%
Vitamin C 1mg1%
Calcium 76mg8%
Iron 4mg22%
* Percent Daily Values are based on a 2000 calorie diet.