Bring this to a boil for 1 1/2 minutes butter, splenda, salt, cocoa, milk.
In large bowl mix oatmeal, peanut butter, vanilla.
Add boiled mixture, a little at a time until you have the consistency of a drop cookie. Put wax paper on a cookie sheet, use tablespoon to form balls, drop onto wax paper. Put cookies into freezer on the tray.
After a few hours put them into zip lock baggies. Keep the cookies in the freezer and eat them. You can eat them frozen, or let them defrost a bit.