In a large bowl, combine the nuts and M & M’s
Put the whole box of cereal into a large paper grocery bag..
In a large sauce pan or dutch oven, mix butter, brown sugar, & Karo syrup. Bring to a boil stirring for 1 minute.
Remove from heat and add baking soda. Mix very well. (it will get foamy).
Pour over the cereal in the bag, fold over the top of the bag and shake well. Put the bag in the microwave for 5 minutes, stopping to shake it after each minute.
Pour cereal out and spread it out onto cookie trays to cool.
Add cooled cereal to nuts and candy. Mix and serve.