Depends......
Put them in a container with a fresh slice of white bread.
you put your soft cookies in your pre-heated oven at 180' put it in for about 10 mins but keep an eye on them.
Because when you put it in the toaster there is some heaters in there and the heat drives out the moisture. This will make it harden up and get crunchy.
Not crunchy at all if you've done it right