Bake your brownies according to package directions in 10x10 square pan
When you remove baked brownies from oven turn on your broiler
While your broiler is getting hot, arrange all of the marshmallows on top of the brownies
Sprinkle chocolate chunks & almonds on top
Broil about 3-5 minutes or until marshmallows begin to brown - watch close, don't let them get too toasty
Remove & allow to cool a bit before serving.