You’ll Need
1 cup brown sugar
½ cup (1 stick) butter
¼ cup light corn syrup
1 teaspoon vanilla extract
1 teaspoon baking soda
10 cups popped, unbuttered popcorn
Directions
1 Preheat oven to 250˚ Fahrenheit and line two cookie sheets with parchment paper.
2 Melt brown sugar, butter, corn syrup, and vanilla in saucepan; then boil over medium heat for three minutes.
3 Remove from heat and stir in 1 teaspoon baking soda.
4 Pour syrup over popped popcorn. Mix well. Spread coated popcorn onto prepared cookie sheets. Bake for 1 hour, stirring every 15 minutes.
5 Remove popcorn from oven and pour into large bowl.