Step 1

Prepare popcorn and place in large mixing bowl, spray baking sheet with cooking spray and set aside.

Step 2

In a heavy bottomed pot over medium heat combine butter, corn syrup, and light brown sugar. Mix well and bring to boil, THEN add the sweetened condensed milk, stirring constantly using a wooden spoon. Boil for 4-5 minutes until mixture reaches soft ball stage (235Fº).

Step 3

Remove from heat and stir in vanilla extract and salt. Pour mixture over bowl of popcorn and stir in gently with large greased spoon to coat the popcorn completely.

Step 4

Pour onto the greased baking sheet and let cool to room temperature before serving.