Preparation / Directions:
Into a large clean grocery bag, hot air pop 3 - 4 quarts of popcorn.
Into a 2 quart glass bowl put: brown sugar, margarine, white Karo syrup, and salt (optional). Cook in microwave on high until it comes to a boil.
Stir. Cook on full power for 2 minutes. Remove from oven and stir in baking soda. Stir.
Pour above syrup over popped corn in the bag. Mix well with wooden spoon. Close the bag and shake. Put the bag into the microwave at full power for 1 1/2 minutes. Take out and shake. Put bag back in upside down. Microwave for 1 minute on full power. Shake bag. Tear bag open and spread popcorn out to cool.