Combine all the seasonings in a bowl and set aside
In a large skillet, preheat 1 Tbsp oil over medium heat. Add onion, ginger, and garlic until aromatic, about 3 minutes
Add ground beef
Cook until it's no longer pink, about 5-7 minutes.
Add the seasonings you prepared earlier
Stir to combine everything and cook for another minute
Remove from the heat and sprinkle with toasted white sesame seeds and finely chopped green onion
Serves with rice and a side dish like kimchi
Leftovers:
Let it cool down completely and then store in an air-tight container and keep in the fridge for 2-3 days. This also freezes well. It can be kept frozen for up to 2 monhts. Simply reheat on the stove without having to thaw first