Combine in large microwave safe bowl:

1/2 c. butter
1/4 c. white corn syrup
1 (9 oz.) pkg. cinnamon red hots
Dash salt

Microwave on high until red hots melt. Boil 1 minute. Pour over 5 quarts popped corn which is in a large grocery sack. Shake or stir. Twist top shut. Microwave 3 minutes. Shake after each minute. Pour into large bowl, stirring frequently, so it stays separated.