Celebrity Spicy Popcorn By People Staff Published on November 7, 2006 06:00 PM Share Tweet Pin Email ½ cup popcorn kernels4 tbsp. unsalted butter, melted½ cup grated ParmesanChili powder, as desired 1. In a heavy pot, pop popcorn as per package directions. Meanwhile, melt butter.2. Once all the popcorn is popped, add melted butter and mix well. Add grated Parmesan cheese and chili powder, and mix well to coat popcorn. Serve immediately.