Place the green beans in a small pot and add enough water to fully submerge them. Bring to a boil over high heat （5 minutes）.Drain the green beans.

Turn heat down to medium high, add 2 tbsp oil. Add onion, then garlic and ginger. Cook for 1 minute until edges of onion are golden.

Turn heat back up to high. Add pork and cook, breaking it up as you go. Cook for 2 minutes until the pork is cooked through, add salt and black pepper .then add beans and stir for another 2-3 minutes.add the green scallions.