3 qts. popped corn - do not salt
1/3 c. butter
1/4 c. sugar
3/4 tsp. cinnamon
1/4 tsp. salt

Put popcorn in 13 x 9 inch pan. Cook over low heat just until sugar and butter are melted - do not boil. Pour over popcorn and place pan in oven at 300 degrees for 15 minutes.