Remove the pans and carefully peel off the parchment paper. (vegkitchen.com)
Allow to dry in the oven until mushrooms peel off the parchment paper. (lapechefraiche.com)
Once the brownie is cooled to room temperature lift it out of the pan and peel off any parchment paper still attached and place the brownie on a flat serving plate. (baketheneat.com)