trail mix

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A mixture of high-energy foods, such as dried fruit, nuts, chocolate, and seeds, eaten as a snack especially by hikers.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A blend of foods for snacking on the go, as during hikes, usually consisting of some combination of dried fruit, nuts, seeds granola and sometimes small candies, cereal, etc.