[header] How to make popcorn brownies [title] Preheat your oven to 375º fahrenheit (190º celsius). [title] Grease and line a 9 x 9 inch baking tray. [step] It should be about an inch deep, but you can also line the pan with aluminum foil if you'd like. 
[title] Melt your butter or margarine. [step] Melt your butter/margarine in a small pan over a low heat for a minute or two.