Place 500 grams of ground beef into a deep mixing bowl. Add 1 grated onion, breadcrumbs, 1 egg, finely chopped parsley, salt, and spices (black pepper, cumin, allspice). Add 0.5 teaspoon of freshly grated nutmeg, which is the special touch of Robo Şef, to the mixture. Knead well for approximately
5-7 minutes until all ingredients are well combined.