McDonald's has been a staple in households for generations, allowing kids to order a smaller-sized meal. See how the Happy ...

You know it as the two all-beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame seed bun. You nearly knew it as something other than the Big Mac.

With its hash browns and McMuffins, McDonald's breakfast menu is known to many. But only real fans would know these things ...