This is the real thing, not the packaged Chex Mix -- which is a great snack but not as sublime as the one you make yourself.
Have a Happy New Year!
Here's a closeup of the Chex Party Mix recipe:
This recipe debuted in the 1950s. The images here are from the back of a box of Corn Chex cereal from the 1970s.
ADDENDUM posted 9 January 2011
Via Waffle Whiffer