Heat oven to 400 degrees F. Lightly grease pie plate.
Cook zucchini, eggplant, tomato, green pepper, onion and garlic in margarine until veg- etables are crisp-tender, 5-10 minutes. Stir in seasonings. Spread in pie plate; >> sprinkle with cheese.
Beat remaining ingredients until smooth, 15 seconds in blender on high or 1 minute with hand beater. Pour into pie plate. Bak until knife inserted comes out clean, 30-35 minutes. Let stand 5 minutes.