Chex Mix is a type of snack mix that includes Chex

Chex

Chex is a brand of breakfast cereal, introduced in 1937 and currently manufactured by General Mills. It was originally owned by Ralston Purina, and the Chex name reflects the "checkerboard square" logo of Ralston Purina. The product line was part of the spinoff of the Ralston portion of Ralston...

 breakfast cereal (sold by General Mills

General Mills

General Mills, Inc. is an American Fortune 500 corporation, primarily concerned with food products, which is headquartered in Golden Valley, Minnesota, a suburb of Minneapolis. The company markets many well-known brands, such as Betty Crocker, Yoplait, Colombo, Totinos, Jeno's, Pillsbury, Green...

) as a major component. There are several commercially produced varieties of Chex Mix, as well as non-commercial, homemade versions of the snack. Though contents vary, the mixes generally include an assortment of Chex cereals, chips, hard breadsticks, pretzels, nuts or crackers. Recipes for homemade Chex mix are printed on Chex cereal boxes and are available online.
Chex cereal was introduced in 1937 by Ralston Purina.