3rd person: toastifies
To make something browned and crispy by frying or baking; to generate toast-like properties; to make a toast from something.
Within circa 20 to 30 minutes, the dough's rawish topface should start showing darker spots. At the appearance of this sign, the underside is toastified and prehardened enough to uplift the hotcake easily. (Source: J∙ Okram - Bartonian Potato Pancakes ● Cooking Recipe.)