Napolitan Spaghetti | Saveur

Ingredients

• 1 lb. spaghetti
• 2 tbsp. unsalted butter
• ¹⁄₄ lb. white button mushrooms, trimmed and thinly sliced
• 1 medium yellow onion, thinly sliced
• ¹⁄₄ lb. cooked ham, cut into ¼"-thick strips about 2" long
• ¹⁄₄ lb. long beans or regular green beans, trimmed and cut into 2" pieces
• ¹⁄₄ cup milk
• ¹⁄₄ cup sake
• 5 tbsp. ketchup
• 1 tsp. paprika
• Kosher salt and freshly ground black pepper, to taste
• ¹⁄₄ cup grated parmesan cheese
• Tabasco, for serving (optional)