Add oil to large skillet on medium-high heat. Add ground turkey, cook until brown and drain grease, if any.
Add chopped onion, cook until onions become translucent. Stir in garlic powder, ground ginger, crushed red pepper, black pepper and salt.
Add shredded cabbage, broccoli, liquid stevia (optional), coconut aminos.
Cook for another 12-15 minutes over medium heat, or until veggies are tender.