As we are all well aware, bacon is the world’s most perfect food. McDonald’s knows that as well as anyone, and on January 29th (that’s Tuesday) they’ll be proving it. From 4pm to 5pm local time, they’ll be holding their one-time-only “bacon hour.” During that hour, you can add bacon to anything on their menu FOR FREE. Of course, as with anything like this, there are rules: only one order of bacon per customer and each side-order will consist of two half-slices of bacon. Of course, this is all to promote their new Cheesy Bacon Fries...which I can't wait to try...