In a large saucepan with a candy thermometer inserted, pour evaporated milk, butter or margarine, sugar, and salt. Bring to a boil and cook until candy thermometer reads 236 degrees F (115 degrees C). Remove from heat.
Step 3
Stir in peanut butter, marshmallow creme, and vanilla extract Mix well and pour immediately into prepared pan. Allow to cool completely, then cut into pieces.