Chowhounds like a spicy spin on their popcorn. Here are some favorite methods.
Use chili oil instead of vegetable vegetable oil for stove-top popping, plus add Parmesan cheese and salt (chowmeow).
Pop on stovetop in olive oil, then top with melted butter, kosher salt, and smoked Spanish Paprika (JaneRI).
Make “homemade” microwave popcorn in a plain paper bag: use 1/3 cup popcorn, a few drops water (around 1/4 tsp), around 1/2 tsp of chili oil, and a few shakes of coarse salt. Shake to distribute everything, fold top of bag over a few times, and microwave about 3 minutes (you’ll have to play with the time to see what works for your microwave (cheryl h).
Or, toss garlic powder, cayenne and Parmesan with standard unflavored microwave popcorn (MeowMixx).
Board Links: Spicy popcorn