In small food processor or spice grinder, pulse freeze-dried strawberries until finely ground.
Place popcorn in large bowl. Drizzle melted chocolate over top; toss until well coated. Sprinkle evenly with ground freeze-dried strawberries; toss until well coated.
Scrape onto large parchment paper-lined baking sheet, spreading into even layer.
Let stand at room temperature 30-60 minutes, or until chocolate is set and hardened. To serve, break into pieces.