Sandy'S Caramel Corn

Directions

1. 1
   Spread in a large pan the popcorn.
2. 2
   Put this in a very low oven at 250° to keep warm and crisp. Combine in a 2-quart heavy pan the butter, brown sugar, corn syrup and salt.
3. 3
   Place these ingredients on medium heat until sugar dissolves. Continue to boil to firm ball stage (240°) about 5 minutes. Remove from heat and stir in the soda.
4. 4
   Syrup will foam.
5. 5
   Take popped corn from the oven and pour hot caramel mixture over it in a fine stream.
6. 6
   Stir to mix well. Return to oven for 45 to 50 minutes, stirring well every 15 minutes. Cool and serve or store.
7. 7
   Makes 5 quarts or 2 pounds.