Soymilk or oil for brushing -top crust Dough: In a large bowl, mix together yeast, water, and sugar. Let stand 5 minutes. Add oil, flour, and salt. Knead about 5 minutes into a smooth, elastic ball of dough, Cover and let rise until double in size. Punch down. Filling: Mix together TVP, boiling water, oregano, basil, and fennel seeds. In a large skillet, heat olive oil. Saute TVP mixture for a few minutes. Stir in mushrooms, spinach, tomato paste, and water until heated through. Preheat oven to 375 degrees. Roll the dough into a large oblong shape, spread filling evenly on top and roll up like a jelly roll. Brush top with a little bit of milk or oil. Bake for 30 to 35 minutes. If crust begins to brown too much, cover with foil during the last 5 or 10 minutes. Cut into 16 slices to serve. Note: I have used half the oil in the bread and one third the oil in the filling with good results. Also, salt is really needed in the filling (if you like salt).