preheat oven to 350 degrees. lightly spray 13x9 baking dish with cooking spray.
while oven is preheating, add stick of butter to 13x9 baking dish and place in oven until butter is melted.
chop nuts and get your toppings ready while waiting for butter to melt!
once butter is melted, CAREFULLY remove baking dish from oven and start layering in order of ingredients listed above. (graham cracker, choco chips, pb chips, coconut, condensed milk, nuts)
bake at 350 degrees for 30 minutes. The edges will start to turn brown but don't worry! it's not burning, thats the good stuff!
remove baking dish from oven and let cool. carefully slice magic bars into desired size. Enjoy! (store in an airtight container)