1 c. brown sugar
1 stick butter
1/4 c. light Karo
1/2 tsp. salt

Combine ingredients, microwave on high 2 1/2 minutes. Stir well, then microwave another 3 minutes. Take out and stir in 1/2 teaspoon baking soda, mix well. Pour over 14 to 14 1/2 cups popped corn in large grocery bag. Shake and microwave 1 1/2 minutes. Shake and microwave another 1 1/2 minutes. Shake and cool on cookie sheet. Store in air tight container. Can use 2 to 3 to 3 1/2 ounce bags microwave popcorn.