Pretzel no bake cookie

In a medium sauce pan melt the butter over medium heat.
Once melted, stir in milk, sugar, cocoa.
Bring to a boil and boil for 2 minutes.

Remove from heat, stir in peanut buttter and vanilla until smooth.
Add in the old fashioned oats and pretzels.
Drop mixture by spoonfuls onto waxed paper and let cool completely.

Cookies will set up and harden as they cool.