Cook the spaghetti in salted water with oil until al dente. Meanwhile, cut the onions and fry them in a pan, add the minced meat and fry both. Salt and pepper well.
Now crumble the feta cheese and add to the fried minced meat. Let the feta cheese melt nicely and season again.
Now drain the cooked spaghetti, place in a bowl and stir in the minced meat and feta mixture. Add 3 tablespoons of oil, mix well and season again. Tastes delicious warm and cold!