Fry onion in oil for approx. 5 minutes. Add the ground beef and fry the mince, stirring with a spatula to loosen it for 5 minutes. Add the ginger, garlic, cinnamon, chili powder or flakes, curry and yogurt. Stir and let it simmer for 15 minutes.
In the mean time boil the green beans with salt al dente. Drain and add to the beef mixture. Salt and pepper to taste. Sprinkle it with some cilantro or parsley!