Indeed, Dave. Equally simple is Marcella Hazan's onion and butter tomato sauce for spaghetti. Into a saucepan you put a can of plum tomatoes, a knob of butter and a whole peeled onion. Simmer for 45 minutes, discard the onion, check the seasoning and viola! Serve with proper Parmesan.

The magic ingredient to add to any tomato sauce is half a level teaspoon of sugar.