(TrendHunter.com) Key Lime Kettle Popcorn is a new summer snack from Trader Joe's that taps into the bold, sharp and sour taste of key lime that's craved for its familiar yet exotic qualities. The popcorn... (TrendHunter.com) Key Lime Kettle Popcorn is a new summer snack from Trader Joe's that taps into the bold, sharp and sour taste of key lime that's craved for its familiar yet exotic qualities. The popcorn...