In large sauce pan add butter, sugar and milk on high heat. Bring to a rolling boil(can't be stirred down). Stir for one minute, stirring consistently.

Remove from heat. Add peanut butter and vanilla. Fold in oats. Drop tablespoon fulls on wax paper. Let dry for a half hour. Drizzle with melted chocolate and let dry for 15 more minutes if storing. If not eat them up!