Saute eggplant, zucchini and onion in heated olive oil for 10 minutes.
Add tomatoes. Cover pan and simmer for 35-40 minutes or until slightly
thickened. Stir occasionally.
Cool slightly and salt and pepper to taste.
Combine eggs with parmesan, oregano and basil.
Spray quiche or pie pan with Pam and layer with half the vegetables, half
the egg mixture and repeat once more. Top with shredded swiss cheese.
Bake at 350 degrees for 40 minutes.