In a medium mixing bowl, whisk together soy sauce, brown sugar, sesame oil, minced garlic, and grated ginger to create a flavorful marinade. Add the thinly sliced beef, ensuring each piece is fully coated. Let the beef marinate for at least 10 minutes.

Prepare your rice according to the package instructions. Once fluffy and tender, stir in a splash of sesame oil and keep it warm.

Heat a large skillet over medium-high heat. Add the marinated beef in batches, searing each for about 3-4 minutes until browned and tender.

To serve, place a generous helping of warm sesame rice at the bottom of each bowl. Top with bulgogi beef and your choice of vegetables or a fried egg.