Cover a large cookie sheet with parchment or wax paper.
Melt the butter in a large sauce pan on low heat.
Add the sugar, salt and half the milk to the pan and bring to a rolling boil.
Boil, stirring constantly for 2 minutes.
Remove pan from the heat and add the peanut butter, mixing until combined.
Add the vanilla extract and half the oats. Mix well until combined.
Mix in the remaining oats and milk.
Stir the cranberries in until evenly distributed through out the cookie dough.
Using a teaspoon or a small cookie dough scoop drop the cookie dough onto the cookie sheet leaving about 2 inches between each cookie.
Slightly flatten each cookie with the back of the spoon or dough scoop.
Allow cookies to sit undisturbed for a few hours or refrigerate to harden faster.
Once hardened melt the vanilla chips or candy melts in a sandwich baggie.
Snip a small hole in the corner and drizzle the melted candy over the cookies.
Allow to harden before storing in a single layer with parchment paper in between the layers in an airtight container.