In a small bowl, combine brown sugar, soy sauce, and 1 tablespoon oil. Stir until well mixed.

In a large skillet, heat 1 tablespoon olive oil over medium high heat. Add the garlic and sauté until fragrant, about 30 seconds. Add beef and reduce heat to medium. Brown beef, breaking up the beef into smaller pieces are you are cooking. Break the beef into as small of pieces of possible while cooking. Sauté beef until cooked through, about 5 minutes.

Drain the fat from the skillet. Stir soy sauce mixture to recombine. Add soy sauce mixture and green onions to the skillet. Stir to combine. Simmer until heated through, about 2 minutes.

Serve immediately.