The nation’s largest restaurant chains have made a big deal in recent years about introducing smaller portion sizes. McDonald’s eliminated the Supersize menu, while T.G.I. Fridays and others have introduced small-plate items. Yet the restaurants have also been doing something else, with less fanfare: continuing to add dishes so rich that a single meal often contains a full day’s worth of calories. Click here, we show you what roughly 2,000 calories looks like at some large chains.