Ingredients

6 quarts popped popcorn2 cups packed brown sugar1 cup butter, cubed1/2 cup corn syrup1 teaspoon salt3 teaspoons vanilla extract1/2 teaspoon baking soda

Preparation

Place popcorn in a large bowl and set aside. In a large saucepan, combine the brown sugar, butter, corn syrup and salt; bring to a boil over medium heat, stirring constantly. Boil for 5 minutes, stirring occasionally.

Remove from the heat. Stir in vanilla and baking soda; mix well. Pour over popcorn and stir until well coated. Pour into 2 greased 13x9-in. baking pans.

Bake, uncovered, at 250° for 45 minutes, stirring every 15 minutes. Cool completely. Store in airtight containers.