Combine sugar and cocoa. Mix in vanilla and milk. Bring to a boil. Boil hard 2 - 5 minutes, until mixture forms a soft ball. Remove from heat, add butter, oats, peanut butter and vanilla. Drop by teaspoons onto wax paper.
Can be made in microwave, cook at medium level as instructed above (until soft ball stage).
May double recipe and pour into a 9x13 greased pan. Cut when cool.