[header] How to make sweet popcorn [title] Heat oil and test kernels in a heavy pan. [step] Heat 3 tbsp (45 ml) vegetable oil and three popcorn kernels in a large, heavy-bottomed pan with a lid. When all three kernels have popped, the pan is hot enough to add the rest. 
[substeps] Canola oil or another vegetable oil with a medium or high smoking point works best. If you're using microwave popcorn, just microwave the bag and skip down to melting the butter and sugar.