After popcorn has popped, pour melted butter over the top.
Combine sugar and cinnamon together in a bowl. Pour mixture over the popcorn. Toss to coat.
Drizzle melted white chocolate over the top, toss to coat. Spread popcorn on prepared baking sheet. Sprinkle with salt. Allow chocolate to harden, about 10 minutes, then break into pieces. Serve.
Notes
Best eaten the day that it is made but can be stored in an airtight container for a couple of days. Nutrition information for estimation purposes only.