In a large saucepan mix sugar, butter, and milk.
Bring to a full boil over medium heat.
Remove from heat and stir in peanut butter, nutella and vanilla.
Stir until the nutella and peanut butter are melted and fully incorporated.
Stir in oats.
Drop by spoonfuls onto wax paper
At room temperature allow to cookies to rest until firm. About an hour or two.