Caramel Popcorn(Microwave)

Directions

1. 1
   Put margarine, brown sugar, Karo syrup and butter flavoring in a microwave-safe dish and cook on High until it boils.
2. 2
   Stir and cook for 2 more minutes; then add baking soda and stir.
3. 3
   Put popcorn in a large brown grocery bag; pour syrup in and stir. Close top of bag and shake.
4. 4
   Microwave in bag on High for 1 1/2 minutes.
5. 5
   Shake and repeat 2 more times.
6. 6
   Pour into a large bowl and stir until dry.