Caramel Crispix Mix

1 stick butter
1 cup brown sugar
2 1/2 T white corn syrup
6 cups crispix cereal
1 cup mixed nuts
1 cup stick pretzels

Melt butter, brown sugar and corn syrup and bring to a slow boil for two minutes.  Mix cereal, nuts and pretzels in greased 9x13 cake pan.  Pour liquid mixture over cereal and stir.  Bake at 250 degrees for 10 minutes, stir and bake another 10 minutes.  Pour out onto waxed paper and let cool.