Preheat the Convotherm oven to 160° C with convection.
Preheat the Convotherm oven to 160° C with convection.
Spread the mixture thinly onto a baking sheet lined with baking paper and bake in the preheated Convotherm for 5-6 minutes (do no allow to colour).
For the filling, mix the potato, butter and vegetables together and add salt to taste.