Ingredients

• 1/2 cup unpopped popcorn
• 1 cup white sugar
• 1/2 cup light corn syrup
• 1/2 cup butter
• 1/4 cup water
• 1/2 teaspoon vanilla extract

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Instructions

1. Pop popcorn in an air popper according to manufacturer's instructions.
2. Combine sugar, corn syrup, butter, and water in a heavy saucepan over medium heat; cook until toffee syrup temperature reaches 280 degrees F (138 degrees C) using a candy thermometer, about 10 minutes. Remove from heat and stir in vanilla extract.
3. Mix toffee syrup with popcorn in a large bowl until evenly combined.