with a sieve generously dust a 9×13 pan that has been sprayed with Pam with a mixture of equal parts cornstarch & powdered sugar

combine tge gelatin & 1/2 cup cold water in the bowl of an electric mixer fitted with the whisk attachment & allow to sit while you make the syrup,.

meanwhile, combine the sugar, corn syrup, salt and 1/2 cup water in a small saucepan & cook until syrup reaches 240°F . remove from heat.

with the mixer on low slowly pour the sugar syrup into the dissolved gelatin. Put the mixer on high & whip until mixture is very thick, about 15 minutes.

add the peppermint extract & mix thoroughly.