mix in sugar and condensed milk in a large sauce pan on medium heat.

turn constantly to keep from burning! very important , do not stop Turing.

After 20 to 25 minutes, take a dab , and place in a glass of cold water (should be sticky and able to form a ball).

Place the sauce pan in the sink in nice cold water. (full the sink about 2 inches deep, or depth of your fudge).

add vanilla, penut butter, butter. mix thoroughly. (very important after adding vanilla, you must stir constantly, fudge will harden almost instantly.)

finally, empty on a plate( Buttered before hand) evenly [if possible], Enjoy

let cool, or serve 10 minutes.