Step 1

Whisk together brown sugar, soy sauce, sesame oil, garlic, ground ginger and crushed red pepper flakes in a small bowl. Set aside.

Step 2

In a large skillet over medium-high heat, brown and crumble the lean ground beef until no longer pink. Drain if necessary. Stir in soy sauce mixture, allowing to simmer until most of the liquid has reduced, stirring frequently, about 2-3 minutes.

Step 3

Serve immediately over steamed rice. Top with thinly sliced green onions.