1. Prepare 10–12 cups of popcorn and remove any unpopped kernels.

2. Line a baking sheet with parchment paper and lightly coat with cooking spray.

3. Melt white chocolate chips or vanilla candy melts in a microwave-safe bowl in 20-second intervals, stirring until smooth.

4. Stir red velvet cake mix into the melted white chocolate until evenly combined.

5. Drizzle the red velvet mixture over the popcorn in a large bowl, tossing gently to coat.

6. Spread coated popcorn in a single layer on the prepared baking sheet and let set for 5–10 minutes.

7. Melt black candy melts or dark chocolate in 20-second intervals, stirring until smooth.

8. Drizzle dark chocolate over the set red velvet popcorn for a spooky effect.

9. While the drizzle is still wet, sprinkle on Halloween sprinkles or candy eyes.

10. Allow all coatings to set completely before serving.