Sweet Frito Crunch

This has become my new favorite snack mix. Nobody can stop eating it, it's THAT good!!!

2 cups brown sugar

2 sticks butter

1/2 cup Karo syrup

9 cups Rice chex

13 cups Fritos

3 cups peanuts

1 bag M & M's

Mix Fritos, Rice chex, and peanuts in large bowl. Bring sugar, butter, and syrup to boil. Pour caramel mxture over Frito mix. Stir. Spread in large pan. Bake 1 hour at 250 degrees stirring every 15 minutes. Spread on wax paper to cool. Add M & M's when cool.