Argentinian Gnocchi

Name: Argentinian Gnocchi
Prep time: 30 min
Cook time: 20 min
Total time: 50 min
Cuisine: American, Latin American
Ingredients: 1 kg (2.2 lbs) potatoes (starchy variety like Russet); 1 large egg; 200 g (1 ½ cups) all-purpose flour, plus extra for dusting; 1 tsp salt; ½ tsp freshly ground nutmeg (optional); For the Sauce (Optional); 2 tbsp olive oil; 2 garlic cloves, minced; 500 g (2 cups) tomato sauce; 1 tsp sugar; Fresh basil leaves; Salt and pepper to taste; Grated Parmesan cheese for serving