1. Spray cookie sheet with nonstick cooking spray. Slice the eggplant into 1/3-inch circles. Place on cookie sheet. Put a few grains of salt on each slice.
2. Bake for 15 minutes at 350 degrees F. Sauti onions and garlic until soft. Combine the cheeses.
3. Combine wheat germ and spices. Coat a large baking pan with nonstick cooking spray. Layer ingredients this way: eggplant, wheat germ, cheese, tomato, eggplant, tomato, wheat germ. Cover pan. Bake at 350 degrees F for 30 minutes.
4. Uncover and bake 5 minutes. Serve warm. Reheats beautifully in the microwave oven.