Instructions

1. 1
   Combine the sugar and cocoa in a saucepan, and stir well.
2. 2
   Add milk and stir well. Add butter and place over medium-high heat.
3. 3
   Bring mixture to a boil. When it reaches a rolling boil that cannot be stirred down, boil while stirring for exactly 1 minute.
4. 4
   Remove from heat and add peanut butter and vanilla. Stir until peanut butter is melted and mixture is smooth.
5. 5
   Add oatmeal and stir to combine. Immediately spoon the mixture onto a cookie sheet, leaving enough space between them for spreading out.
6. 6
   Let stand on counter for at least 20 minutes to stiffen or refrigerate to speed up the process.