Spaghetti with marinara sauce is a classic Italian dish that features long, thin pasta called spaghetti. The spaghetti is typically boiled in salted water until it becomes tender, then drained and served hot. The marinara sauce is made from tomatoes, garlic, onions, and herbs like basil and oregano. It is simmered to develop rich flavors and is often poured over the cooked spaghetti. This dish is popular for its simplicity and can be enjoyed with various toppings, such as grated cheese or fresh herbs.