Fats, sugars and salt. They comprise the snack food hat trick, and, frankly, are what we crave in food. When made with enough oil, popcorn with salt nails two out of three. Caramel added to the popcorn solves the sweetness issue, but then you’ve got Cracker Jack, a real sugar-shock inducer. So when I discovered Kettle Corn, with its light sugary glaze, I decided to make it at home. It was disappointing. The recipe called for adding sugar to the popcorn and oil, and the sugar just caramelized and burned. So then I had a brainstorm. Why not just sprinkle sucralose (aka Spenda) on top of the freshly popped kernels to make it sweet?…