Step 1

Butter an 8x8-inch pan.

Step 2

In a medium saucepan, combine the sugar, evaporated milk and salt. Bring to a boil and boil for 3 minutes, stirring constantly.

Step 3

Remove the pan from the stove and stir in the peanut butter, butter and vanilla. Pour the mixture into the prepared pan and smooth it out evenly.

Step 4

Let cool (or refrigerate) and then cut into small squares.