Line a baking sheet with wax paper.
Set it aside for later use.
This prevents cookies from sticking.
Combine sugar, milk, cocoa, and butter in saucepan.
Place it on medium-high heat.
Stir everything together well.
Bring mixture to a full rolling boil.
Let it boil for exactly 60 seconds.
Don't skip timing this step.
It's very important for texture.
Remove pan from heat immediately.
Stir in peanut butter until melted.
Add oats, vanilla, and salt quickly.
Mix everything together thoroughly.
Drop spoonfuls onto prepared wax paper.
Work fast before mixture hardens.
Make them your preferred size.
Allow cookies to cool completely.
This takes about 30 minutes.
They'll firm up as they cool.
Then enjoy your delicious treats!