Preheat Oven To 350*. Saute Onions In 2 Tabs Olive Oil Until Softened (15 Minutes). Sprinkle With Sugar & Salt As The Onions Cook. Set Aside. In Food Processor, Make Garlic Puree. In Baking Dish, Layer 1/3 Zucchini, Dot With Garlic, Layer With 1/2 Oinons, 1/3 Tomatoes, Sprinkle With Herbes, Salt & Pepper. Repeat. Sprinkle With Bread Crumbs And Drizzle With Olive Oil. Bake 1 Hour. Pour Off Excess Liquid. Scatter Both Cheeses, Return To Oven Another 25 Minutes. May Be Served Warm Or Cold.