Stir in the beans with the reserved
cooking liquid, the mushroom mixture ceps and their liquid, tomato
puree and soy sauce and season to taste with salt and pepper.
Spoon into 4 small dishes or 1 large
gratin dish.
Layer the sliced bread over the
casserole.
Mix oil, garlic, thyme, brush over the
bread and scatter with the Parmesan.
Cover loosely with foil and place in
oven, 375F, gas mark 5, 30 minutes.
Remove the foil, bake for 20 minutes
until the crust is golden