Step #2 Heat oven to 400°F
Place the oil in a skillet [note you can use water for this step if you want to reduce the fat] over med high heat.
Step #3 Add onion, leek, scallion, & ginger & sautee over med-heat/flame until the veggies are limp.
Step #4 Add the vinegar & stir until evaporated.
Step #5 Add the mushrooms & saute until they give up the liquid, approx 4 mins.
Step #6 Remove from heat.
Step #7 Process the tofu & sour cream until smooth.
Step #8 Blender or food processor/blender, your choice.
Step #9 Turn into a large mixing bowl & add the mushroom mix with a slotted spoon then stir this to mix.
Step #10 If using savory dough, roll the dough on a 12 inch square of parchment paper into a 10 inch round.
Step #11 Pile the filling in the center & spread out leaving a two inch margin all around.
Step #12 Bring the dough up around the sides as if you were going to encase the filling but leave a 6 inch window.
Step #13 Crimp the dough around the sides to hold in place.
Step #14 Transfer to a baking sheet or a preheated stone.
Step #15 Bake until crust is golden brown & the filling is set, about 40 mins.
Step #16 If the crust browns before the filling is set, cover with foil wrap & continue to bake this at 300F for about 10 more mins.
Step #17 Notes: I personally found this needed a bit more spices.
Step #18 I used Lemon Pepper, Italian seasoning, a bit of wasabi powedered, Tumeric [made it a nice gold], Salt, & through in some sliced tomatoes when I mixed it.
Step #19 You want amounts? I will jiggle it some more & post corrections.
Step #20 Note I have a strong taste for strong tastes.
Step #21 This is fine with out it but if you like spice play around with it.
Step #22 Also I have used Ricotta Cheese [no fat] in place of the Sour Cream.