Peal and cut potato into thing slices
Drain and dry your tofu with paper towels
In a large bowl, combine tofu, lemon juice, yeast, parmesan cheese, oregano and pesto sauce
Grease a large baking dish with oil start layering with potatoes and add a layer of the filling
Continue and finish with a layer of sweet potatoes
Cover with foil and bake for 45 minutes until potatoes are soft