In a large pot over medium heat, combine the corn syrup, olive oil, cayenne pepper and fresh rosemary. Bring to a low boil. Add in the confectioner’s sugar and marshmallows. Heat back to a boil again.
In a large bowl, combine the popcorn, peanuts and pretzels with the hot marshmallow mixture. Mix well, coating all the ingredients
Shape the popcorn into balls. You will need to work quickly and keep your hands well-greased.
You can wrap the balls in plastic wrap and keep for a week.