Cut the onions into fine rings and fry them in the pan with the gyros, add the garlic, chopped up to taste. Cut the pepper into small pieces and fry briefly with the meat.
Layer the spaetzle with the gyros in a baking dish. Mix the sour cream with the cream and pour over the casserole. Sprinkle with cheese and bake at 180 ° C for about 10 minutes.