2In a 9x13-inch baking dish, combine the pretzels and nuts. Set aside.
3In a large saucepan combine the butter, sugar, corn syrup and salt. Stir together over medium heat until sugar dissolves. Bring to a boil and cook until very thick and at the 'firm ball' stage (260 degrees F, 125 degrees C). Remove from heat, pour over pretzel/nut mixture and mix all together.
4Bake in the preheated oven for 20 minutes, stirring after 10 minutes. Remove from oven and spread out on wax paper to cool.
Footnotes
Tip
Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.