More than three-fourths of choking injuries requiring hospitalization involve children under age four. That's nearly a half-days's woth of fat and sodium. For lighter pizza, make your own. You need a yeast crust, but if you don't want to start from scratch, supermarkets sell pizza crusts, either prebaked or raw, refrigerated or frozen. Shrimp, tuna, or bits of chicken are good, too.
Pizza is a great way to use up leftovers.
On the other hand, there's no law that says you have to double your normal intake of fat and calories on holidays. Instead of making gravy with hot pan drippings, scrape out the pan, put the drippings in the freezer for a quick chill, and discard the fat that rises to the top. When you reheat it, use cake flour or other fine-milled flour to thicken, shaking it into the liquid through a fine sieve. Stir constantly with a whisk. When a recipe calls for cream or whole milk, substitute nonfat milk, or evaporated skim milk.