In a medium bowl, combine the low-sodium soy sauce, sesame oil, brown sugar, rice vinegar, freshly minced garlic, and grated ginger. Whisk everything together thoroughly until the sugar dissolves and the sauce looks smooth and glossy. Set the sauce aside while you cook the beef so the flavors can blend together properly.

Place a large skillet over medium-high heat and allow it to get fully hot before adding the ground beef. Add the lean ground beef to the skillet and break it apart using a spatula or wooden spoon. Let portions of the beef sit undisturbed for short periods so it develops rich browned edges and deeper flavor instead of steaming.

Continue cooking the beef for about 6–8 minutes, stirring occasionally, until fully browned and no pink remains. If there is excess grease in the skillet, carefully drain most of it while leaving a small amount for flavor and moisture.

Pour the prepared Korean-inspired sauce directly over the browned beef. Stir thoroughly so every piece of beef becomes evenly coated. Reduce the heat slightly and let the mixture simmer gently for 3–5 minutes until the sauce thickens slightly and clings to the meat without becoming dry.

Stir in most of the sliced green onions and reserve a small amount for garnish. Sprinkle sesame seeds over the beef mixture and stir once more to evenly distribute the flavor and texture throughout the skillet.

Prepare your serving bowls by adding cooked jasmine rice, brown rice, or cauliflower rice to the bottom of each bowl. Spoon generous portions of the Korean ground beef mixture over the rice while still hot and juicy.

Garnish each bowl with the remaining green onions and any optional toppings you enjoy such as shredded carrots, sliced cucumbers, kimchi, steamed broccoli, avocado, or a drizzle of sriracha for extra heat.

Serve immediately while warm for the best flavor and texture, or portion into airtight meal prep containers and refrigerate for quick high-protein lunches and dinners throughout the week.