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Place the zucchini slices on an oiled cookie sheet and brush the tops lightly with oil. Broil 3 to 4 inches (8 to 10 cm) from the heat until they start to brown, then turn the slices over and brown the other side. Set aside. Oil an ovenproof casserole that is 10 inches (25 cm) wide and 2 inches (5 cm) deep. Place half the onion-mushroom mixture in the bottom. Top with the potato slices and sprinkle the chiffonaded basil and the second T of minced garlic, plus salt and pepper to taste. Cover this with the remaining onion-mushroom mixture, the tomatoes, the remaining basil and salt and pepper to taste. Sprinkle the bread crumbs over the top. Drizzle the last 1/2 T of olive oil over the top. Bake for 40 minutes and serve hot.
posted by Mr Falafel