Sugar, especially white sugar, has become one of the pariahs of contemporary food. We have various plant extracts and chemical substitutes offered in place of it; warnings about the damage it does to our teeth and our overall health; chefs finding ways to avoid it. This is very different from the way cooks a few centuries ago looked upon what was then a luxury item. And to me it seems as with so much in life moderation is the key rather than abstinence; and as a natural product I have more confidence in sugar than most alternatives, just as I prefer butter to processed spreads.
This thought came from reading Gervase Markham. I have doubts about his real culinary knowledge. Some of his pronouncements don't make much sense, but he like Elinor Fettiplace regularly used sugar as a spice, to perk up sauces, gravies, to prettify dishes and to correct seasoning generally. It remains a valid and cheap way of improving flavour - sweet after all is one of the basic tastes. Thus a spoon of sugar in a simple spaghetti sauce rounds it out, bringing the flavour of tomatoes to the fore. It doesn't hurt in many beefy or porky stews either.
I'm not advocating sugar butties or loading the stuff into everything as old Gervase seemed to wish, but it is not something we can afford to consign to the outer reaches because of fashion and our fears about obesity.