Heat vegetable oil in a skillet over medium heat.
Add ground turkey and cook until browned, breaking it apart with a spatula.
Stir in garlic and cook for another minute.
Add soy sauce, brown sugar, ginger, red pepper flakes, and black pepper. Stir to coat the turkey evenly.
Let simmer for 5 minutes, allowing the flavors to blend and sauce to thicken slightly.
Serve over cooked white rice and garnish with chopped green onions and sesame seeds.