Microwave the popcorn for 3 to 5 minutes, according to the directions on the package, until the popcorn stops popping. Carefully pour the hot popcorn into a large bowl and immediately pour on the butter, then the Parmesan, chile powder, and salt. Toss well and serve hot.
"Cooking for Jeffrey" by Ina Garten © Clarkson Potter 2016. Provided courtesy of Ina Garten. All rights reserved.