Combine butter, milk, sugar, and chocolate chips in a medium sauce pan. Heat on medium until everything is melted together. Bring to a boil for 1 minute.
Remove pan from heat and stir in vanilla extract and peanut butter. Mix well.
In a large mixing bowl, combine chocolate mixture and oats. Mix well. Drop by spoonfuls on to wax paper.
Place in fridge to harden.
Enjoy!