microwave caramel popcorn

pop:
1/2 cup popcorn in hot air popper
OR
2 bags light butter flavor microwave popcorn

remove unpopped kernels and put in paper bag

combine & microwave on high for 5 minutes (in microwave safe bowl):
1/2 cup butter
1 cup brown sugar
1/4 cup light corn syrup

add and stir well (mixture will be foamy):
1 tsp baking soda
1 tsp vanilla
dash of salt

pour caramel mixture over popcorn and mix with a spatula. microwave 1 minute; stir and repeat. Empty popcorn onto cookie sheet lined with waxed paper and break up as it cools.