Old Fashioned Double Dipped Caramel Apples

INGREDIENTS

medium apples (for double dipped recipe, or 10 - 12 medium apples for single dipped apples)

Wooden sticks - one per apple

1/2 cup

butter

2 cups

packed brown sugar

1 cup

light corn syrup

salt

1 can

sweetened condensed milk (I use a gluten-free brand)

1 tsp

pure vanilla extract