How to make korean beef

Ingredients For the Marinade: 1/4 cup soy sauce 2 tablespoons brown sugar 2 tablespoons sesame oil 2 cloves garlic, minced 1 tablespoon grated ginger 1/2 teaspoon red pepper flakes (optional) 1/4 teaspoon black pepper For the Beef: 1 pound thinly sliced beef sirloin or ribeye 1 tablespoon vegetable oil 1/2 onion, thinly sliced 2 green onions, chopped 1 tablespoon sesame seeds Instructions Prepare the Marinade: In a bowl, mix together the soy sauce, brown sugar, sesame oil, garlic, ginger, red pepper flakes, and black pepper. Marinate the Beef: Place the thinly sliced beef in a large resealable plastic bag or a shallow dish. Pour the marinade over the beef, ensuring all pieces are well coated. Seal the bag or cover the dish and refrigerate for at least 30 minutes, preferably overnight for better flavor.