INGREDIENTS: • 1 kg of ground beef • Salt, black pepper • 1 egg, wheat flour • 1 grated onion • 8 potatoes • Oil • 1 chopped onion • 1/2 green pepper • 1/2 red bell pepper • 1/2 yellow pepper • 1 teaspoon of salt • 1 teaspoon of paprika • Black pepper to taste • 100 ml of tomato sauce • 100 ml of water • Grated mozzarella cheese