Cook rice according to package directions.
Heat large skillet over medium-high heat.
Add ground beef to hot pan.
Cook beef until browned, about 5 minutes.
Drain excess fat from pan.
Add minced garlic and grated ginger.
Cook aromatics for 30 seconds.
Mix soy sauce and brown sugar.
Pour sauce mixture over beef.
Add sesame oil and red pepper flakes.
Simmer mixture for 3-4 minutes.
Taste and adjust seasoning as needed.
Prepare fresh vegetables while beef cooks.
Serve beef over cooked rice immediately.