Gather the ingredients - Puff Corn, Butter, Brown Sugar, Corn Syrup, Baking Soda, Salt and Vanilla.

Add the butter, brown sugar and corn syrup to a large microwave-safe bowl.

Microwave according to recipe instructions.

Add the vanilla, baking soda and salt; stir well.

Pour over the puff corn and stir; microwave again.

Pour onto lined baking sheets and let cool.